2 in 1 Transmitter and Receiver: This Bluetooth adapter has two modes that can be used as a Bluetooth audio transmitter (TX mode) to turn a non-Bluetooth TV, PC, computer, CD player, MP3/MP4, Switch, etc. into a Bluetooth transmitter with 3.5mm jack input. It can also be used as an AUX Bluetooth audio receiver (RX) for non-Bluetooth devices such as car stereos, speakers, headphones, radio, etc. Bluetooth 5.0 Stable Connection: This Bluetooth audio transmitter uses the latest Bluetooth 5.0 and CVC noise reduction technology to ensure a stable signal and clearer sound quality for music playback and audio calls, allowing you to enjoy HD music environments in your car. The Bluetooth signal range is 10m for a smooth gaming and viewing experience. 【Extra Long 8 Hours Battery Life】With a powerful built-in 300mAh battery, our 3.5mm wireless adapter works up to 5 hours as a receiver and up to 5 hours as a transmitter. Extend audio playback time with only 2 hours of charging. Easy to Use: