✓?Reliability?Turns non-Bluetooth PC or laptop into Bluetooth-capable. ✓?Specifications?Bluetooth 5.0+ EDR, it is backward compatible with Bluetooth2.0/2.1/3.0/4.0/4.2 Dual-mode Bluetooth transfer, compatible Full-speed USB 2.0 interface, USB 1.1. ✓?Mini Size Design?Small size allows you to leave it on laptop or PC, no need to remove, it seamlessly gets plugged into a computer/laptop without blocking surrounding USB ports.Ultra-compact, Easy Carrying and Space Saving. ✓?Strong Compatibility?Bluetooth dongle works with 32/64-bit Windows 10/8/7. It can also take full advantage of bandwidth to connect multiple Bluetooth devices simultaneously,such as Bluetooth headsets/speakers/mice/keyboards,smartphones. Not applicable for Mac OS, Linux, TV, Car Stereo. ✓?Fast and Further?Applies the Class 2 radio technology,fast and further working distance than Bluetooth 4.0. The transmission distance can reach 10m or even 20m in an open place,can cover more distance space. ✓?USB Bluetooth Adapter?Applies the latest Bluetooth 5.0+EDR adapter, Bluetooth low energy. Enhance anti-interference ability and stability,and reduce the transmission efficiency loss caused by the interference of the 2.4 GHz frequency band. Alleviating the problem of the instability of the device connection, frequent disconnection, and signal interruption. ✓?NOTE?The USB Bluetooth adapter is compatible with windows 10/8.1/8/7. Win8 /8.1/10 Driver-Free, Plug & Play. Win7 Driver-Needed(Go to the official website or contact us via message or install the drive from the included mini CD).