How to use
- Connect 2.4GHz
1) Open the cover, insert a AAA battery and turn on the power button.
2) Connect the receiver to the PC/USB port.
3) When the receiver light is on, the connection is complete.
- Connect Bluetooth
1) Open the cover, insert a AAA battery and turn on the power button.
2) After pressing the mode change button, connect the Bluetooth connection of the smartphone.
3) Click BT21 KB 3.0 or BT21 KB 5.0 in the Bluetooth setting and then connection complete.
