【2-in-1 Design】: By using this wireless adapter, you can send and receive all audio freely and easily. The transmitter enables your TV, AV receiver, radio and other home audio source devices to stream music to your Bluetooth headphones or speakers; the receiver enables non-Bluetooth devices (such as your home stereo or AV receiver) to stream music wirelessly from your phone/PC. 【Bluetooth 5.4】: With Bluetooth 5.4 technology, the Bluetooth transmitter receiver provides fast and seamless connection, providing powerful and clear sound for a pleasant listening experience. The audio cable can be bent 360 degrees, and in the car, the narrow range can be easily handled. 【Long Battery Life】: The wireless transmitter receiver's powerful 180mAh battery allows you to enjoy uninterrupted music. It can last up to 10 hours in receiving mode and up to 8 hours in transmitting mode, and it only takes 2 hours to charge. In addition, this Bluetooth music adapter can be used while charging, which is very convenient. 【Clear Sound】: Provides you with a 10M operating range and good performance, giving you a good experience when answering calls or watching late-night shows. For clear sound, we recommend not using the Bluetooth transmitter receiver while charging. 【Wide Compatibility】: This wireless transmitter receiver features an anti-bending audio plug and a lightweight body design for seamless audio connection and improved sound quality. Its portability and wear-resistant design make it ideal for use with a variety of audio devices, including car and home audio systems