This adapter provides wireless transmission and can also act as a receiver. It is compatible with most devices, and it is easy to set up and use. The adapter has dual antennas which are designed to provide reliable and stable connection and it also offers high- rates. Features -Color:Black -Material:ABS -Size:11.00X9.00X2.60cm/4.32X3.54X1.02in -Effective working radius :10m -Version :BT 5.3 -Operating frequency :2400MHz -Transmission rate :100Mbps -Input :3.5MM - Wireless connection: This adapter supports wireless connection between different devices, including TVs, stereo, headphones, etc. - More stable transmission: This adapter uses latest wireless version and dual antennas to strengthen the quality of transmission. - Dual modes: This adapter includes two modes, receiver and transmitter, which offers different solutions for your devices. - Sharing fun: This adapter supports two devices connection at a time, making it easier to share fun with your friends. - Sound quality: This adapter outputs high definition sound quality with no delay or stuttering, offering a smooth experience. Package list: 5 x wireless adapter 5 x 3.5mm audio cable 5 cable 5 cord 5 x instruction manual