UGREEN Bluetooth 5.2 Transmitter Jack Adapter for Two Airpods 2 in 1 Receiver Compatible with TV, Stereo System, Airplane Audio Splitter for Headphones.

"Extremely long battery life: The Bluetooth receiver transmitter lasts about 20 hours in RX mode and 28 hours in TX mode, while a full charge only takes 2 hours. So you can continue to enjoy your music wirelessly when you need it (It automatically enters pairing mode while charging.) Dual Pairing: You can connect two devices simultaneously in both TX and RX modes. This allows you to watch TV or play games on your PC with your friends without disturbing other family members. Bluetooth Receiver: UGREEN Bluetooth 2 in 1 adapter provides Bluetooth capability for your old stereo system, etc. Enjoy high quality music wirelessly through stereo systems or wired speakers. Note: Calls can be supported in RX mode. Bluetooth Transmitter: Connect your computer, TV, airplane entertainment system, etc. to Bluetooth headphones, stereo systems, etc. using a Bluetooth jack adapter in TX mode. Flexible and portable design: UGREEN Bluetooth receiver and transmitter is small and easy to carry. Thanks to the flexible connector, the Bluetooth splitter can be connected behind a wall-mounted TV/speaker in a small space, providing more connection options. Note: NOT compatible with Airpods Pro 2/Airpods 4 and musical instruments such as piano, guitar"