Specification Product Model BT548Product Name USB bluetooth Adapterbluetooth Version 5 4Transmission Distance 0 150M unobstructed Interface Type USB compatible with USB 3 0 Working Frequency 2 402GHz 2 480GHzRated Voltage DC 5VCompatible Systems Windows 7 8 1 10 11Features 1 Equipped with a genuine bluetooth 5 4 chip conforming to bluetooth 5 4 specifications supports LMP 13 X and BLE EDR dual mode low power transmission 2 Extended transmission range of up to 150m without obstructions featuring an upgraded antenna for enhanced signal strength 3 High transmission rate of 3Mbps enabling fast file and audio data transfers 4 Plug and play design requiring no drivers or installation discs offering simple and convenient usage 5 Ultra low latency with rapid connection speeds intelligent sleep and wake functions to conserve energy and 24 bit CRC error checking to prevent interference with adaptive frequency hopping to reduce crosstalk 6 Backward compatible with bluetooth 2 0 2 1 3 0 4 0 5 0 5 1 and 5 3 standards 7 Capable of connecting up to 7 devices simultaneously ensuring strong compatibility and meeting various demands with a single adapter Package Include 1 x BT548 USB bluetooth 5 4 Adapter