User Manual

1. Loosen the screws on the back of clamp with the provided
screw driver.
2. Open the lining of helmet, insert the clamp in the proper
position on the left of helmet and fasten the screw.
3. Slide the back track of the device into the clamping track.
4. Open the inner lining on the ear position of the helmet
and attach the VELCRO loop.
5. Attach the Headphone Velcro hook to the loop (the
short-line speaker is on the left).
6. Place butterfly sticker in the right position on the left side
of the helmet, match the microphone with the mouth
position, and tidy up the line and lining.
7. Insert the plug into the headset socket and the