Turn over the Bluetooth printer or scanner and make it discoverable. How to make the Bluetooth printer or scanner discoverable is dependent upon the device. To find out how to make the Bluetooth printer or scanner discoverable, check the device's documentation or stop by the manufacturer's website. But what’s https://www.bluetoothspeaker.top/hot-selling-haiba-speakers-stereo-bass-outdoor-waterproof-subwoofer-portable-wireless-bt-speaker/