UGREEN CM872 2in1 Airplane Wireless Bluetooth Adapter

Never untangle an airline headphone cable again — the UGREEN CM872 Bluetooth 5.4 2-in-1 Wireless Audio Adapter is the ultimate travel companion for wire-free audio anywhere. Plugging directly into any 3.5mm AUX port, it switches effortlessly between transmitter (TX) and receiver (RX) modes, making it perfect for in-flight entertainment systems, TVs, gym equipment, and more. With a 300mAh battery delivering up to 18 hours of playback, AAC and SBC codec support for HIFI-quality audio, a built-in microphone, and USB-C recharging — this is the one adapter that transforms every journey into a premium wireless audio experience.

• Bluetooth 5.4 Technology: Latest Bluetooth 5.4 chip delivers stable, low-latency wireless audio up to 10 metres.
• 2-in-1 TX/RX Modes: Freely switch between transmitter and receiver modes to suit any audio scenario instantly.
• Airplane Ready: Plugs directly into your airline seat's 3.5mm AUX port for completely wire-free in-flight entertainment.
• AAC Codec Support: High-fidelity AAC decoding in RX mode delivers superior, CD-like audio quality to your ears.
• 300mAh Long-Life Battery: Up to 18 hours RX and 16 hours TX playback on a single charge for all-day wireless audio.
• USB-C Recharging: Modern USB-C charging port fully recharges the built-in battery in approximately 2 hours.
• Built-In Microphone: Integrated mic with -42±2dB sensitivity enables hands-free calls in receiver mode with clarity.
• Wide Frequency Response: 20Hz–20kHz frequency response ensures full, rich, and balanced audio reproduction.
• Universal 3.5mm Compatibility: Works with any device featuring a 3.5mm AUX port — planes, TVs, gym machines, and more.
• Fully Certified: CE, FCC, RoHS, and WEEE certified for safe, reliable use across international travel destinations.

The UGREEN CM872 is the must-have travel accessory for anyone who refuses to put up with tangled airline cables or wired audio limitations. With 18 hours of battery life, AAC audio quality, true 2-in-1 TX/RX functionality, and a compact design built specifically for travel — it works flawlessly on planes, trains, in hotels, at the gym, and at home. One adapter that genuinely goes everywhere you do.

• Brand: UGREEN
• Model: CM872 (45812)
• Wireless Type: Bluetooth 5.4
• Audio Port: 3.5mm AUX
• Charging Port: USB-C
• Battery: 300mAh 3.7V Polymer Lithium-Ion
• Charging Time: Approximately 2 hours
• TX Operating Time: Up to 16 hours
• RX Operating Time: Up to 18 hours
• RX Codecs: SBC / AAC
• TX Codecs: SBC
• Frequency Response: 20Hz – 20kHz
• Frequency Band: 2400MHz – 2483.5MHz
• Max RF Output Power: 4dBm (EIRP)
• Transmission Distance: Up to 10 metres / 33 feet
• Output Level (RX): ≤650mVrms RL=100kΩ
• Input Level (TX): ≤0.75Vrms
• Mic Sensitivity: -42±2dB (0dB=1V/Pa)
• Limited Charging Voltage: 5.25V
• Certifications: CE, FCC, RoHS, WEEE
• Origin: Mainland China
• Compatibility: Any device with 3.5mm AUX port — airline seats, TVs, gym equipment, hi-fi systems, and more