Bluetooth Adapter for Windows PCApplies the latest Bluetooth 5.3+ EDR (Enhanced Data Rate)+BLE (Bluetooth Low Energy) technology effectively enhances anti-interference ability and greatly reduces latency.Quick response, more stable connection and better anti-interference, say goodbye to delay and lag. Stronger Stability & Faster speedBU03 with the Upgraded Bluetooth 5.3 + EDR+BLE, effectively improves the stability and anti-interference capability of the Bluetooth connection. EDR technology achieves transmission rates up to 3Mbps, twice the speed compared to Bluetooth 4.2, minimize disruptions from 2.4GHz interference, Transform your old PC into a Bluetooth device with the USB Bluetooth adapter. Enjoy wireless audio, file transfers and more. Farther Coverage The BU03 USB Bluetooth is equipped with a built-in enhanced 5dBi external antenna and Class I RF design technology, the transmission range in open areas can reach up to 328FT/100M-492FT/150M.Enjoy the joy