Feature:1. LONG DISTANCE TRANSMISSION: Computer Bluetooth adapter effective use range is 10100 meters/10.910.9.4yd , compatible with a variety of operating systems, compatible for Windows 11 10 8.1 7.2. BLUETOOTH 5.1: USB Bluetooth adapter adopts Bluetooth 5.1 technology, with better transmission distance and efficiency, lower power consumption and latency.3. EDR TECHNOLOGY: Bluetooth dongle receiver adopts EDR data transmission technology, data transmission rate up to 3Mbps, Class1 power standard.4. TWO WAY: Long range Bluetooth USB adapter allows two way file transfer between your computer and other devices such as cell phones.5. WIRELESS CONNECTIVITY: Bluetooth adapter eliminates wiring problems, reduces energy consumption, saves energy and guards the environment.Specification:Item Type: USB Bluetooth AdapterMaterial: ABS.Package List:1 x Bluetooth Adapter1 x Antenna1 x English and Chinese Manuals