PRECAUTIONS
According to doctor's suggestion, if you listen in too high volume for a long time, your hearing will
probably be damaged. When tin nitus appears, please decrease volume or stop using.
HEARING PROTECTION
If you do not change with correct battery, explosion will occur. You can only change with the same
type or the equal effect battery.
WORKING DIRECTIONS OF LITHIUM BATTERY
If you do not use for a long time, the battery capacity may probably be too low that you cannot power
on. Now please charge for half an hour and then use it.
All images in this manual are sketch illustrations for reference only, so please take
actual objects as standard.
