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•   Handle  your  device  carefully.  Do  not  drop,  bend  or 
strike it. Otherwise your device will be damaged.
•   No  dismantling  by  non-professionals  and  only  quali-
ed technicians can undertake repair work.
•   Operating temperature range of 0°C ~ +35°C and hu-
midity range of 5% ~ 95% are recommended.
Using Battery
•   Do not short-circuit the battery, as this can cause ex-
cessive heat and re.
•   Do not store battery in hot areas or dispose of it in a 
re to avoid explosion.
•   Do not disassemble or modify the battery.
•   When not using the battery for a long period, remove 
it from your device and store it in a cool dry place.
•   Never  use  any  charger  or  battery  damaged  or  worn 
out.
•   Return the wear-out battery to the provider or put it in 
the  appointed  recycle  place.  Do  not  put  it  in  familial 
rubbish.