Description of controller pairing: (you only need to pair once, and then you can connect automatically without pairing again)
1. Three AAA batteries shall be installed in the battery slots at both ends of the back
2. This remote control is equipped with a separate wireless USB receiver. Please plug it into the USB slot of your smart device host
3. The back of the remote control is upward close to the USB wireless Street receiver (the closer the better, it is best to pair within 6cm)
4. Press and hold the “W” and “O” keys for more than 5 seconds until the “ALT lock key” in the lower left corner of the keyboard starts to flash quickly
5. While the “ALT lock key” flashes, press the black lock key on the infinite USB receiver with a needle tip until the “ALT lock key” does not flash
6. Pairing has been completed
