bluetooth adapter for pc, ersten usb mini bluetooth adapter 5.1 edr, bluetooth dongle receiver for laptop, desktop, headphones, headset, speakers, keyboard, mouse, printer, support windows 10/8.1 ersten <p>note: windows 10 / 8.1 will automatically install <strong>realtek bluetooth 5.1 adapter</strong> driver for the adapter to work.</p> <p>you can check the driver installation in device manager in bluetooth section. if the driver is installed correctly, then realtek bluetooth 5.1 adapter should be displayed in device manager.</p> <p>if another driver is displayed (generic, intel and others), then it must be removed from device manager so that driver <strong>realtek bluetooth 5.1 adapter</strong> is automatically installed on windows 10 / 8.1</p> <p>note: the reason described above is the only reason why the adapter may not find the bluetooth device to connect.</p> <p>the adapter passes 100% quality control for operability.</p>