Huey Chiao HCB25 Bluetooth Headset User Manual


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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.
19. Safety instruction
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rst.
-If the inside components breakdown, please contact the repairing
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