💧【Bluetooth Adapter for Windows PC】Applies 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 speed】BU03 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 of wireless at home without having to be around the computer, free from the limits of distance. Note: the effective range is affected by walls, physical obstructions and radio interference. | 💧【Plug & Play or Free Driver】Plug and play for Win8.1, 10, and 11. Driver required for Win7 and could be downloaded from website free of charge. (Please disabled the existing internal Bluetooth function first.) Tips: it is not compatible with Mac, Linux, TV, Xbox/PS4, Car Stereo system. It CAN NOT be used directly on PS3, PS4, PS5, Switch, or Xbox Console. | 💧【Up to 5 Devices Sync Connected】BU03 Bluetooth USB dongle for PC supports up to 5 devices to be connected at the same time without interfering with each other, Which means that you can listen to high-quality music while using the keyboard or other devices. | ✅【SPECIFICATIONS】The Bluetooth dongle , it is backward compatible with old Bluetooth 5.2/5.1/5.0/4.2/4.0/3.0/2.1/2.0/1.1. Dual-mode Bluetooth transfer, compatible Full-speed USB 2.0 interface, USB3.0.