{"product_id":"ugreen-35222a-bluetooth-5-2-transmitter-receiver","title":"UGREEN 35222A CM672 Bluetooth 5.2 Airplane TX\/RX Adapter","description":"\u003cstyle\u003e\/* UGREEN India product description layout *\/\n.ugd-story { --ugd-acc: #169b45; --ugd-ink: #14181c; --ugd-text: #4a5258; --ugd-line: #e3e6e8; --ugd-soft: #f4f5f6; color: var(--ugd-ink); font: 16px \/ 1.7 -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Arial, sans-serif; width: 100%; max-width: 1200px; margin: 0px auto; container-type: inline-size; text-align: left; overflow-wrap: anywhere; }\n.ugd-story * { box-sizing: border-box; }\n.ugd-story :is(h2, h3, h4, p, figure, ul, ol, dl, dd) { margin: 0px; padding: 0px; }\n.ugd-story :is(h2, h3, h4) { color: var(--ugd-ink); font-weight: 700; letter-spacing: -0.02em; text-transform: none; }\n.ugd-story h2 { font-size: clamp(26px, 4.2cqi, 42px); line-height: 1.15; }\n.ugd-story h3 { font-size: clamp(21px, 3cqi, 30px); line-height: 1.2; }\n.ugd-story h4 { font-size: 18px; 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}\n.ugd-story .ugd-specs dt { font-weight: 600; font-size: 14px; }\n.ugd-story .ugd-specs dd { color: var(--ugd-text); font-size: 14px; }\n.ugd-story details { border-bottom: 1px solid var(--ugd-line); }\n.ugd-story summary { cursor: pointer; list-style: none; padding: 16px 32px 16px 0px; font-weight: 600; font-size: 16px; position: relative; }\n.ugd-story summary::-webkit-details-marker { display: none; }\n.ugd-story summary::after { content: \"+\"; position: absolute; right: 4px; top: 12px; font-size: 22px; color: var(--ugd-acc); }\n.ugd-story details[open] summary::after { content: \"–\"; }\n.ugd-story details p { padding: 0px 0px 16px; }\n.ugd-story .ugd-trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; list-style: none; background: var(--ugd-ink); border-radius: 18px; padding: clamp(18px, 3cqi, 28px); }\n.ugd-story .ugd-trust li { color: rgb(255, 255, 255); font-size: 14px; line-height: 1.45; }\n.ugd-story .ugd-trust b { display: block; color: rgb(255, 255, 255); font-size: 15px; }\n.ugd-story .ugd-trust span { color: rgb(185, 194, 199); }\n@container (max-width: 700px) {\n.ugd-story .ugd-hero, .ugd-story .ugd-feature, .ugd-story .ugd-box { grid-template-columns: 1fr; }\n.ugd-story .ugd-hero figure { order: -1; }\n.ugd-story .ugd-feature.ugd-rev figure { order: 0; }\n.ugd-story .ugd-stats { grid-template-columns: 1fr 1fr; }\n.ugd-story .ugd-stats div:nth-child(3) { border-left: 0px; }\n.ugd-story .ugd-stats div:nth-child(n+3) { border-top: 1px solid var(--ugd-line); }\n.ugd-story .ugd-tests { grid-template-columns: 1fr 1fr; }\n.ugd-story .ugd-uses { grid-template-columns: 1fr 1fr; }\n.ugd-story .ugd-uses figure:last-child { grid-column: 1 \/ -1; }\n.ugd-story .ugd-specs { grid-template-columns: 1fr; }\n.ugd-story .ugd-specs div:nth-child(2n+1) { padding-right: 0px; }\n.ugd-story .ugd-trust { grid-template-columns: 1fr 1fr; }\n}\n@container (max-width: 380px) {\n.ugd-story .ugd-box ol { columns: 1; }\n}\n.ugd-story .ugd-feature.ugd-noimg { grid-template-columns: 1fr; max-width: 780px; }\n.ugd-story .ugd-stats.ugd-s2 { grid-template-columns: 1fr 1fr; }\n.ugd-story .ugd-uses figcaption, .ugd-story figure figcaption { color: var(--ugd-ink); }\n.ugd-story .ugd-box.ugd-noimg { grid-template-columns: 1fr; }\n.product-details rte-formatter \u003e .ugd-wide { max-width: none !important; width: 100% !important; }\n.product-details rte-formatter \u003e .ugd-story.ugd-wide { max-width: 1200px !important; }\n.ugd-story ul.ugd-nav,.ugd-story ul.ugd-chips,.ugd-story ul.ugd-trust{list-style:none!important;padding-left:0!important;margin-left:0!important}.ugd-story ul.ugd-nav li,.ugd-story ul.ugd-chips li,.ugd-story ul.ugd-trust li{list-style:none!important}.ugd-story ul.ugd-nav li::before,.ugd-story ul.ugd-chips li::before,.ugd-story ul.ugd-trust li::before,.ugd-story ul.ugd-nav li::marker,.ugd-story ul.ugd-chips li::marker{content:none!important;display:none!important}\n\u003c\/style\u003e\u003cdiv class=\"ugd-story ugd-wide\"\u003e\n\u003cheader class=\"ugd-hero\"\u003e\u003cdiv\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cul class=\"ugd-chips\"\u003e\n\u003cli\u003eBluetooth 5.2\u003c\/li\u003e\n\u003cli\u003eSKU 35222A\u003c\/li\u003e\n\u003cli\u003eCM672\u003c\/li\u003e\n\u003cli\u003eTX + RX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/header\u003e\u003cdiv class=\"ugd-stats\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e5.2\u003c\/b\u003e\u003cspan\u003eBluetooth version\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eTX: SBC\u003c\/b\u003e\u003cspan\u003eCodecs\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eA2DP\u003c\/b\u003e\u003cspan\u003eProfiles\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eBuilt in\u003c\/b\u003e\u003cspan\u003eMicrophone\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cnav\u003e\u003cul class=\"ugd-nav\"\u003e\n\u003cli\u003e\u003ca href=\"#ugd-features\"\u003eFeatures\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#ugd-specs\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#ugd-faqs\"\u003eFAQs\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/nav\u003e\u003cdiv class=\"ugd-section\" id=\"ugd-features\"\u003e\n\u003cdiv class=\"ugd-head\"\u003e\n\u003cspan class=\"ugd-eyebrow\"\u003eFeatures\u003c\/span\u003e\u003ch3\u003eWhat it does well.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ugd-feature ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eKey features\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eRole.\u003c\/b\u003e a rechargeable 3.5mm Bluetooth audio adapter that transmits wired audio to Bluetooth listeners in TX mode and receives phone audio for a wired AUX system in RX mode.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAudio path.\u003c\/b\u003e TX mode takes analogue audio from an airplane seat, TV, computer or other 3.5mm output and sends it to Bluetooth headphones\/speakers. RX mode receives Bluetooth audio from a phone\/tablet and outputs it through the integrated 3.5mm plug to a car, amplifier or powered speaker.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCodec boundary.\u003c\/b\u003e Documentation lists TX: SBC. RX lists SBC and AAC. aptX, aptX Adaptive, LDAC and LC3 are not claimed.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower design.\u003c\/b\u003e Up to 28 hours in TX mode and up to 20 hours in RX mode under UGREEN test conditions. Mode, volume, calls, temperature, battery age and RF environment affect runtime. USB-C rechargeable, with a 300mAh, 3.7V \/ 1.11Wh lithium battery listed. Follow airline rules for portable lithium devices and do not charge if wet or damaged.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-feature ugd-rev ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eAudio direction and connector roles\u003c\/h4\u003e\n\u003cp\u003eTX mode takes analogue audio from an airplane seat, TV, computer or other 3.5mm output and sends it to Bluetooth headphones\/speakers. RX mode receives Bluetooth audio from a phone\/tablet and outputs it through the integrated 3.5mm plug to a car, amplifier or powered speaker.\u003c\/p\u003e\n\u003cp\u003eConnector rule: a source\/output must feed a destination\/input. USB power, USB host data, analogue AUX and Bluetooth radio roles are separate even when one enclosure handles several of them.\u003c\/p\u003e\n\u003cp\u003eStart safely: set the correct mode, select the target input and lower every volume control before testing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-feature ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eSound, codecs, calls and latency\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eCodecs.\u003c\/b\u003e Documentation lists TX: SBC. RX lists SBC and AAC. aptX, aptX Adaptive, LDAC and LC3 are not claimed.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eLatency.\u003c\/b\u003e No millisecond result is verified. SBC\/AAC do not establish delay-free television or gaming use; source processing and listening-device buffers also matter.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMicrophone and calls.\u003c\/b\u003e The built-in microphone supports calls in RX mode. TX mode sends programme audio only and does not return a Bluetooth headset microphone to an airplane, TV or computer.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eReal-world fidelity.\u003c\/b\u003e Source file, negotiated codec, radio conditions, analogue cable, amplifier and speakers\/headphones all affect the result. A newer Bluetooth number is not automatically higher sound quality.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-feature ugd-rev ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eUse scenarios\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eScenario 1.\u003c\/b\u003e Airplane seat audio to one or two Bluetooth headsets.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eScenario 2.\u003c\/b\u003e TV headphone output to shared wireless listeners.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eScenario 3.\u003c\/b\u003e Phone music to an older car AUX system in RX.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eScenario 4.\u003c\/b\u003e Tablet audio to a wired powered speaker.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eScenario 5.\u003c\/b\u003e Travel use where long per-mode battery runtime matters.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-box ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eSetup and usability guidance\u003c\/h4\u003e\n\u003cp\u003eUsability rule: establish one clean path first. Add a second source, listener, output or peripheral only after the first works reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eControls.\u003c\/b\u003e A TX\/RX switch defines the wired-port role; the multifunction control handles power\/pairing. Set the mode before connecting and pair one endpoint before adding the second.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSecond-device behaviour.\u003c\/b\u003e Up to two Bluetooth endpoints are listed in both TX and RX modes. TX shares one source programme with two listeners; RX provides convenient two-source connection, not mixed simultaneous programmes.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRecovery.\u003c\/b\u003e Forget CM672 on source devices or clear saved listener pairings as applicable, power-cycle the adapter in the desired mode and follow the CM672 reset timing.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eStep 1: Charge CM672 and set TX or RX before pairing.\u003c\/li\u003e\n\u003cli\u003eStep 2: In TX, plug into a headphone\/line output; in RX, plug into a line\/AUX input.\u003c\/li\u003e\n\u003cli\u003eStep 3: Put the first Bluetooth endpoint in pairing mode and keep other saved devices away.\u003c\/li\u003e\n\u003cli\u003eStep 4: Confirm stable audio at low volume before adding a second endpoint.\u003c\/li\u003e\n\u003cli\u003eStep 5: For twin-prong aircraft sockets, use the supplied flight adapter only where permitted.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-box ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eCompatible devices and systems\u003c\/h4\u003e\n\u003cp\u003eClass: 3.5mm headphone\/line sources such as airplane entertainment, TVs and computers in TX; Bluetooth phones\/tablets\/computers plus car AUX, powered speakers and amplifiers in RX.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMatch the operating-system\/audio profile and connector role, not only the Bluetooth logo.\u003c\/li\u003e\n\u003cli\u003eConfirm whether you need programme audio, microphone return, peripheral data or file transfer; these use different profiles.\u003c\/li\u003e\n\u003cli\u003eFor AUX\/RCA products, confirm the destination is a line-level input and already has its own amplifier.\u003c\/li\u003e\n\u003cli\u003eFor PC adapters, verify driver requirements and disable a competing built-in Bluetooth radio.\u003c\/li\u003e\n\u003cli\u003eFor two-way products, confirm that the chosen TX or RX mode matches the wired device.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-feature ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eWhat this product does\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSwitches a 3.5mm connection between transmitter input and receiver output roles.\u003c\/li\u003e\n\u003cli\u003ePairs the number of endpoints documented for this SKU.\u003c\/li\u003e\n\u003cli\u003eRuns from its internal rechargeable battery for portable use.\u003c\/li\u003e\n\u003cli\u003eReconnects to saved compatible endpoints when the selected mode matches.\u003c\/li\u003e\n\u003cli\u003eCarries programme audio within the codec and call boundaries stated above.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-feature ugd-rev ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eWhat this product does not do\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eno aptX\/LDAC, optical audio, USB data audio, guaranteed lip-sync, TX microphone return, passive-speaker amplification or water rating; aircraft use remains subject to crew instructions.\u003c\/li\u003e\n\u003cli\u003eDoes not guarantee uninterrupted wireless service through metal, walls, crowds or heavy 2.4GHz interference.\u003c\/li\u003e\n\u003cli\u003eDoes not repair a damaged source, USB port, AUX socket, amplifier or speaker.\u003c\/li\u003e\n\u003cli\u003eDoes not make a connector compatible merely because it fits physically.\u003c\/li\u003e\n\u003cli\u003eDoes not prove ANC, aptX, LDAC, multipoint or microphone return from the Bluetooth version number alone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-feature ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eWhat to do\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eCheck the label.\u003c\/b\u003e Confirm SKU, model and stored revision on the product or box before relying on a specification.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBegin with one endpoint.\u003c\/b\u003e Pair and test one path before adding any supported second device or output.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eLower volume first.\u003c\/b\u003e Protect hearing and speakers when changing mode, output, codec, call profile or device.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKeep connections dry.\u003c\/b\u003e Inspect USB and audio plugs, remove debris without metal tools and dry completely before power.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUse official drivers\/manuals.\u003c\/b\u003e Use the CM\/BT model instructions; related UGREEN revisions can use different buttons and radios.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePause before switching.\u003c\/b\u003e When two sources are connected, pause the current programme before starting the other.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-feature ugd-rev ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eWhat not to do\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eDo not infer features.\u003c\/b\u003e Bluetooth 5.x\/6.0 alone does not establish codec, ANC, microphone, multipoint or delay.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDo not force plugs.\u003c\/b\u003e Stop if a connector does not align; check port type, direction, damage and case clearance.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDo not use speaker-level output.\u003c\/b\u003e AUX\/RCA receiver inputs are line-level; passive speakers still need an amplifier.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDo not pair while moving.\u003c\/b\u003e Configure car and aircraft audio before movement and follow local\/crew instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDo not charge damaged cells.\u003c\/b\u003e Stop for swelling, leakage, odour or abnormal heat and seek proper battery disposal.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDo not borrow reset timing.\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-feature ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eBattery, charging and realistic runtime\u003c\/h4\u003e\n\u003cp\u003eBattery\/power: Up to 28 hours in TX mode and up to 20 hours in RX mode under UGREEN test conditions. Mode, volume, calls, temperature, battery age and RF environment affect runtime.\u003c\/p\u003e\n\u003cp\u003eCharging\/connection: USB-C rechargeable, with a 300mAh, 3.7V \/ 1.11Wh lithium battery listed. Follow airline rules for portable lithium devices and do not charge if wet or damaged.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePublished runtime is normally a controlled maximum; volume, calls, codec, temperature, range and battery age can shorten it.\u003c\/li\u003e\n\u003cli\u003eUSB-powered models have no reserve runtime and stop when vehicle\/computer power stops.\u003c\/li\u003e\n\u003cli\u003eUse compliant, undamaged power sources and disconnect any product that becomes unusually hot.\u003c\/li\u003e\n\u003cli\u003eDo not leave rechargeable products empty for months; follow the manual for long-term storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-feature ugd-rev ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eWarnings and limitations\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHearing: begin at low volume, limit exposure and stop if you notice discomfort or ringing. Bluetooth features and noise processing are not hearing protection.\u003c\/li\u003e\n\u003cli\u003eBattery: never crush, puncture, short, burn or charge a swollen, leaking, wet or unusually hot rechargeable product. USB-powered models still require a sound, compliant 5V source.\u003c\/li\u003e\n\u003cli\u003eAircraft: follow crew instructions, use only permitted headphone outputs and keep wireless devices off whenever directed. Carry lithium products in accordance with airline rules.\u003c\/li\u003e\n\u003cli\u003eDriving: pair, mount, select sources and set volume while parked. Hands-free calling does not remove attention or legal responsibilities.\u003c\/li\u003e\n\u003cli\u003eWater: This product does not has a IP rating. Keep adapters, plugs and charging ports dry; never connect power while damp.\u003c\/li\u003e\n\u003cli\u003eHeat and storage: do not leave the product on a hot dashboard, near a heater or in direct sun. Keep small adapters and cables away from children and pets.\u003c\/li\u003e\n\u003cli\u003eAudio ports: connect only to the stated headphone\/AUX line-level role. Never connect a 3.5mm\/RCA port to mains, passive-speaker output or an unknown industrial signal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"ugd-feature ugd-noimg\"\u003e\u003cdiv\u003e\n\u003ch4\u003eTroubleshooting and reset\u003c\/h4\u003e\n\u003cp\u003e\u003cb\u003eNo pairing.\u003c\/b\u003e Bring devices close, verify power\/mode, disconnect competing saved devices and pair one endpoint first.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eConnected but silent.\u003c\/b\u003e Check source playback, OS output, TX\/RX direction, AUX input selection, cable seating and both volume controls.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAudio but no microphone.\u003c\/b\u003e The built-in microphone supports calls in RX mode. TX mode sends programme audio only and does not return a Bluetooth headset microphone to an airplane, TV or computer. Confirm the call app input and permissions only where a microphone path is documented.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDrop-outs.\u003c\/b\u003e Reduce distance and metal\/body obstruction, move from crowded 2.4GHz radios and test one connection at a time.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDelay.\u003c\/b\u003e Compare with a wired path; no unstated codec or Bluetooth version can remove all source and endpoint buffering.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eReset path.\u003c\/b\u003e Forget CM672 on source devices or clear saved listener pairings as applicable, power-cycle the adapter in the desired mode and follow the CM672 reset timing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ugd-section\" id=\"ugd-specs\"\u003e\n\u003cdiv class=\"ugd-head\"\u003e\n\u003cspan class=\"ugd-eyebrow\"\u003eSpecifications\u003c\/span\u003e\u003ch3\u003eAt a glance.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdl class=\"ugd-specs\"\u003e\n\u003cdiv\u003e\n\u003cdt\u003eProduct \/ model\u003c\/dt\u003e\n\u003cdd\u003eUGREEN Bluetooth audio transmitter\/receiver \/ CM672\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eSKU \/ colour\u003c\/dt\u003e\n\u003cdd\u003e35222A \/ black\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eBluetooth version\u003c\/dt\u003e\n\u003cdd\u003e5.2\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eModes\u003c\/dt\u003e\n\u003cdd\u003eTX transmitter and RX receiver\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eCodecs\u003c\/dt\u003e\n\u003cdd\u003eTX: SBC; RX: SBC and AAC\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eProfiles\u003c\/dt\u003e\n\u003cdd\u003eA2DP, AVRCP, HSP and HFP listed\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eWired audio\u003c\/dt\u003e\n\u003cdd\u003eIntegrated 3.5mm TRS plug\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eDual pairing\u003c\/dt\u003e\n\u003cdd\u003eUp to two endpoints in TX or RX\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eMicrophone\u003c\/dt\u003e\n\u003cdd\u003eBuilt in; calls in RX only\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eRuntime\u003c\/dt\u003e\n\u003cdd\u003eUp to 28h TX \/ 20h RX\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eBattery\u003c\/dt\u003e\n\u003cdd\u003e300mAh, 3.7V \/ 1.11Wh\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eCharging\u003c\/dt\u003e\n\u003cdd\u003eUSB-C\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eListed range\u003c\/dt\u003e\n\u003cdd\u003eUp to 10m unobstructed\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdt\u003eIn the box\u003c\/dt\u003e\n\u003cdd\u003eConfirm this SKU\/revision on the sealed product.\u003cbr\u003eConfirm TX, RX or Windows-host direction.\u003cbr\u003eConfirm every wired input\/output and required power source.\u003cbr\u003eConfirm call\/microphone, codec and second-device needs separately.\u003cbr\u003eCheck whether any cable, charger or flight adapter you require is actually listed.\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003c\/dl\u003e\n\u003cp class=\"ugd-note\"\u003eListed ranges and runtimes are qualified maxima in suitable conditions, not universal guarantees.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ugd-section\" id=\"ugd-faqs\"\u003e\n\u003cdiv class=\"ugd-head\"\u003e\n\u003cspan class=\"ugd-eyebrow\"\u003eFAQs\u003c\/span\u003e\u003ch3\u003eQuestions buyers ask.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat exactly is UGREEN 35222A?\u003c\/summary\u003e\u003cp\u003eIt is a rechargeable 3.5mm Bluetooth audio adapter that transmits wired audio to Bluetooth listeners in TX mode and receives phone audio for a wired AUX system in RX mode.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow do TX and RX modes differ?\u003c\/summary\u003e\u003cp\u003eTX mode takes analogue audio from an airplane seat, TV, computer or other 3.5mm output and sends it to Bluetooth headphones\/speakers. RX mode receives Bluetooth audio from a phone\/tablet and outputs it through the integrated 3.5mm plug to a car, amplifier or powered speaker.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhich codecs does SKU 35222A support?\u003c\/summary\u003e\u003cp\u003eDocumentation lists TX: SBC. RX lists SBC and AAC. aptX, aptX Adaptive, LDAC and LC3 are not claimed.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eIs low latency guaranteed?\u003c\/summary\u003e\u003cp\u003eNo millisecond result is verified. SBC\/AAC do not establish delay-free television or gaming use; source processing and listening-device buffers also matter.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo microphone and calls work?\u003c\/summary\u003e\u003cp\u003eThe built-in microphone supports calls in RX mode. TX mode sends programme audio only and does not return a Bluetooth headset microphone to an airplane, TV or computer.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan two listeners or sources stay connected?\u003c\/summary\u003e\u003cp\u003eUp to two Bluetooth endpoints are listed in both TX and RX modes. TX shares one source programme with two listeners; RX provides convenient two-source connection, not mixed simultaneous programmes.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat battery life or power does it use?\u003c\/summary\u003e\u003cp\u003eUp to 28 hours in TX mode and up to 20 hours in RX mode under UGREEN test conditions. Mode, volume, calls, temperature, battery age and RF environment affect runtime. USB-C rechargeable, with a 300mAh, 3.7V \/ 1.11Wh lithium battery listed. Follow airline rules for portable lithium devices and do not charge if wet or damaged.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhich devices and systems are compatible?\u003c\/summary\u003e\u003cp\u003e3.5mm headphone\/line sources such as airplane entertainment, TVs and computers in TX; Bluetooth phones\/tablets\/computers plus car AUX, powered speakers and amplifiers in RX.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat should I do if pairing fails?\u003c\/summary\u003e\u003cp\u003eForget CM672 on source devices or clear saved listener pairings as applicable, power-cycle the adapter in the desired mode and follow the CM672 reset timing.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat is in the package?\u003c\/summary\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat should it not be used for?\u003c\/summary\u003e\u003cp\u003eno aptX\/LDAC, optical audio, USB data audio, guaranteed lip-sync, TX microphone return, passive-speaker amplification or water rating; aircraft use remains subject to crew instructions.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cscript\u003e(function(){function m(){var s=document.querySelector(\".ugd-story,.ht-story,.ava-story\");if(!s)return;var d=s.closest(\".product-block--description\");var a=document.querySelector(\"article.product--outer\");if(!d||!a||d.closest(\".ugd-fullwrap\"))return;var w=document.createElement(\"div\");w.className=\"ugd-fullwrap\";w.style.cssText=\"max-width:1200px;margin:40px auto 0;padding:0 24px;box-sizing:border-box;width:100%\";w.appendChild(d);a.parentNode.insertBefore(w,a.nextSibling);}if(document.readyState!==\"loading\")m();else document.addEventListener(\"DOMContentLoaded\",m);})();\u003c\/script\u003e","brand":"UGREEN","offers":[{"title":"Default Title","offer_id":44344837996643,"sku":"35222A","price":3609.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0581\/3780\/4899\/files\/35222A_01.jpg?v=1783625798","url":"https:\/\/ugreenindia.com\/products\/ugreen-35222a-bluetooth-5-2-transmitter-receiver","provider":"Ugreen India","version":"1.0","type":"link"}