port and connect the other side with USB wall charging adapter or
computer. LED indicator turns red while charging, and turns blue
when fully charged. (Headphone reminds you battery low when the
battery power is below 3.2V)
Product Maintenance:
•
Please do not use non-original accessories, because it may
cause performance degradation, man-made destroy, electrical
short circuit and warranty invalid.
•
Please do not disassemble the device by yourself, because it
may cause headphone damaged and make the warranty invalid.
•
Please do not put your Wireless headphone in a dusty
environment.
•
Please do not allow children under 3 years to play by
themselves.
•
Please do not place the product in an overheated or super-
cooled environment; otherwise, it may not work temporarily or
permanently.
•
Please clean your Wireless headphone with clean, soft and dry
cloth.
•
Please put your Wireless headphone in the original package or
keep it carefully when you are not use it.
Battery Maintenance:
•
Please go to a qualified repair center if you need to remove or
replace the battery.
•
(Rechargeable batteries will last for a long time If you used it
carefully.)
•
The charging temperature of the rechargeable battery is from 10
to 40 degrees celcius.
•
Please charge item at least once a month if not in regular use.
•
Battery usage time and standby time are related to specific
usage conditions. Usage time and standby time we provide are
only for reference.
Notes:
1. Other Wireless
devices will automatically save the “MO9920”
