Universal USB Receiver for Bluetooth Keyboard & Mouse,Bluetooth

【High performance Bluetooth 5.4 chip】Support Dual-mode Bluetooth 5.4 low energy (Backward compatible 2.0/3.0/4.0/5.0/5.1/5.3),Full-speed USB 3.0 interface,Bluetooth v5.4 specification compliant,Win10,Realtek Driver RTL8761B Chips. 【Compact Design & Great compatibility】Lightweight and portable design:26×14×9 mm,Weight: 3 g.Compatible with PC Laptop Desktop for Windows 8.1, 10, 11 (no driver, plug and play) windows7 install the driver can be used. 【You Can support up to 7 devices to work simultaneously】Supports Devices:Bluetooth Headset/Bluetooth Keyboard/Bluetooth Mouse/Bluetooth Speaker/Mobile phone/Printer/Computers/Game Controlle(PC Games supported,PS4/XBOX not supported） 【Auto-pairing, power on and connect in seconds】After the first pairing success, power on and automatically connect back, easy to use (Warm tips: your device needs to support the active back to connect function)Transmission distance: 20 metres (in an unobstructed environment) 【You Can Connect to Bluetooth headphones from your PC and unlike standard Bluetooth adapters it transmits the audio steadily with a good sound quality and without any noticeable delay】Which is important when gaming or watching videos,Support Profile: Serial Port、Object Push、File Transfer、LAN Access、Personal Area Network、Audio Geteway、 Heatset HID、Keyboard、Mouse、HCRP(Printer Cable Replacement)、Bluetooth Low Energy、PIM Synchronization Profile, A2DP、AVRCP、Bluetooth low energy.