Fangrui Product Details 1. Lb-link Wn510bt Office Home Bluetooth 5.1 Transmitter Receiver Driver Free Usb Adapter 2. Latest Bluetooth 5.1 Standard: The Latest Bluetooth 5.1 Standard, The Measured Transmission Distance Is 3 Times That Of The 4.0 Standard, Which Can Easily Make The Transmission Distance Of The Device Reach 100 Meters 3. Compatible With Multiple Operating Systems: Compatible With Windows, Linux, Android And Other Operating Systems, Can Be Widely Used On Various Devices 4. Throughput Up To 3m: Throughput Up To 3m, Which Can Meet The Needs Of Data, Control Signals, Audio And Other Applications In Most Low-power Devices 5. Specification: 6. Chip: Rtl8761buv-cg 7. Protocol Standard: Bt 5.1 8. Interface: Usb 2.0 9. Frequency Range: 2.402 ~ 2.480ghz 10. Transmit Power: 8.5dbm(max) 11. Receiving Sensitivity: -94.5dbm(min) 12. Antenna: Pcb Built-in Antenna 13. Input Power: Usb Powered 14. Security Features: Bluetooth Headsetkeyboardmousespeaker