User Manual

17
et, it may damage the travel charger.
[Battery]
-Newbattery:forrsttimeuse,pleasefullyrechargethe
battery for 4 hours.
-Onlyauthorizedandqualiedpersonnelcandobatterychang-
ing.
- Under the normal usage, the rechargeable battery can be used
for the long time.
- The battery must be recharged within temperatures of -10 ℃
to 45℃.
- Using the Headset under room temperature enables the bat-
tery to achieve its maximum capacity.
- Under a chilly environment, it may cause the battery’s capac-
ity to decrease.
- Recharge the Headset at least once every two months, either
you use it or not.
22. Declaration of Conformity
FCC (FCC ID: RL9-HCB39):
HCB39isFCCcerticatedasthisdevicecomplieswithpart
15 of the FCC rules. It is built with new housing, extended
from HCB39.
European CE:
HCB39 has been manufactured in accordance with the Euro-
pean R& TTE directive. It complies with the European Low