Equipped with a high performance Bluetooth 5.3 (LMP 12.513) chip, 2MB s high bandwidth, low power consumption, data transmission, fast response, bid farewell to lagging and other problems. External 4dBi high gain antenna has better performance, stronger transmitting signal and longer distance. Barrier free transmission 100 meters real time data transmission, convenient and fast. Support lossless transmission technology, 44.1KHz high sampling rate, CD level high definition fidelity stereo sound quality, clear sound quality. Win8.1 10 11 driver free, plug and play. Product name Bluetooth 5.3 Adapter Bluetooth version 5.3 Frequency range 2.4GHz (2402 2480MHz) Support protocols A2DP, , AVRCP, , etc. Transmission distance 0~100M Rated voltage DC 5V Interface type USB Win8.1, Win10, Win11 (drive free) Material ABS Color Black Package Contents 2 x Bluetooth Adapter 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.