Adjusting the Volume, Safety instruction

18. Adjusting the Volume

During a call, you may adjust the Headset’s volume.

1.To increase the volume, press the increase (+) volume key.

2.To decrease the volume, press the decrease (-) volume key.

Note:

●You will hear the “Du Du” sound while adjusting the volume up to the loudest or lowest.

1.Read the Headset manual carefully and use the headset cor- rectly by following the instructions.

2.Keep the Headset away from children, avoid children from swallowing it accidentally.

3.Do not use the cleaning liquid or spray to clean the Headset.

4.Do not clean the Headset while charging it.

5.Do not disassemble the Headset. If you encounter a problem, contact the retailer shop.

● Urgent handling

-If you enconter a problem, turn the Headset off first.

-If the inside components breakdown, please contact the repairing center to ask for immediate support and service.