【Single Device Connection】--Turn the power switch of the folding wireless keyboard to the ON position, and the red indicator light of the keyboard will be on. Press and hold fn + C keys on the keyboard while turning on the Bluetooth device of the mobile phone, the "Bluetooth 5.1 Keyboard" Bluetooth device will appear on the mobile phone, click to pair directly.
【Multi-device Connection】--To connect to the first device, press fn+BT1 first, while turning on the Bluetooth device of the mobile phone, press and hold the fn+C key on the keyboard, and it can be edited after pairing is successful, and the same operation is the same for connecting the second device , up to 3 mobile devices can be connected simultaneously. If you want to switch back to editing device 1, just press fn+BT1 directly on the keyboard.