Multifunctional Transmitter Receiver Make Home Entertaiment System Wireless - If you wanna transfer home wired device into bluetooth , the bluetooth audio adapter can meet your needs. 2-in-1 Bluetooth 5.2 Audio Adapter - The Bluetooth 5.2 technology to provide longer transmission distance and stronger connection, audio 't cut in/out easily. Support /AAC//-LL/-HD, making the output audio higher than CD level. Utilizes special circuitry and external gain antenna to extend the wireless range to up to 100 feet. You just need to connect it with Non-Bluetooth devices, then they can be upgraded to Bluetooth devices. New Upgrade 2 Modes - In TX mode, the Bluetooth transmitter is plugged into non-Bluetooth devices such as TV/Projector/PC via AUX//USB-C cable and transmits audio to Bluetooth headphones/speakers. In RX mode, connect the device's AUX/ port to a wired speaker/car stereo, you can receive the audio form phones via Bluetooth. Bring new life old . Plug and Play - No driver needed, easy to setup, widely compatible. Connect the external power supply to turn on the adapter, which supports AUX//USB-C input and AUX/ output, and you can select the desired mode based on your current device. Indicators viewing is more convenient and the current mode is clear at a glance. Audio output: AUX (RX receiving mode) Audio input: AUX/Type-C (TX transmitting mode) Bluetooth version: Bluetooth 5.2 Transmission distance: about 10 meters (without obstacles) Audio decoding: , AAC, , LL, HD, AD Basic functions: Bluetooth reception (RX), Bluetooth transmission (TX), hands-free calling Frequency range: 2.402GHz-2.480GHz Distortion: 0.02% Colour:black Material:ABS Package Contents: 1 * Bluetooth transmitter 1 * USB cable 1 * Audio cable1 * cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.