Bluetooth Transmitter Receiver Audio Adapter, Wireless Aux For 2, Free Call 3.5mm Aux Bluetooth Adapter: This 2 in 1 Bluetooth transmitter receiver wirelessly transmits audio from in-flight entertainment, gym equipment, gaming devices, TV, or any 3.5 audio jack. Use your earbuds or wireless headphones anywhere no more cords. Now you don't have to sacrifice audio quality/comfort in flight. Wireless Audio Transmitter: The 3.5mm Bluetooth adapter features Bluetooth 5.3 technology and a Qualcomm chip, support for SBC, AAC, aptX, aptX-LL, aptX-HD low-latency decoding technology, etc. Supports high-fidelity stereo sound quality, clear sound free from noise and static, ensuring a true synchronization of sound and picture. The AUX Bluetooth adapter has a 10m / 33ft reach so you can relax plenty of space to enjoy your audio. Ease to Use: This Bluetooth audio transmitter automatically goes into pairing mode when turned on to make pairing simple. The Blue light means TX mode(transmitter), and The red light means RX mode(receiver). There is an on/off switch to conserve battery and a reset button. We recommend you turn off nearby Bluetooth (such as your phone) when pairing in the RX mode. 2 Headphones Pairing for Shared: The Bluetooth headphone receiver supports connecting two phones or wireless Bluetooth headsets simultaneously by Bluetooth transmitter. Immerse yourself in music/movies/games family or friends without disturbing other people. Use when there is no Bluetooth: The Bluetooth audio transmitter receiver is available to allow items such as wired speakers/soundbars, rental cars, and boat sound systems to wirelessly receive audio from gaming devices, phones, or tablets. Battery Life : The Bluetooth adapter has a battery life of 14+ hours to cover even a long flight. The Bluetooth receiver can be used while charging with the included cable. Package includes 1pc Bluetooth 5.3 transmitter/receiver, 1pc USB-C charging cable, and a manual.