Turn on the Bluetooth printer or scanner and make it discoverable. Just how to make the Bluetooth printer or scanner discoverable is dependent upon the device. To learn how to make the Bluetooth printer or scanner discoverable, check the device's documentation or check out the manufacturer's website. But what’s https://www.bluetoothspeaker.top/hifi-stereo-home-theater-system-with-usb-tf-tws-fm-wireless-bluetooth-speaker/