7
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.
23. Q & A
Q : Why does the fully-charged Headset under the “On” mode not
work with the Bluetooth mobile phone?
A : You must activate the Bluetooth function of your mobile phone
and finish the pairing between your mobile phone and Head
-
set.
Q : Can HCB42 work with any of the mobile phones?
A : No, this Headset works only with Bluetooth mobile phones.
Q : How far is the working distance between the Headset and the
mobile phone?
A : Since HCB42 is certificated by BQB, compliable with Blue
-
tooth V.2, Class II, the longest working distance is 0 me-
ters. But, this working distance may be shortened by the
interference existed in the surroundings and due to the insuf-
ficient Bluetooth function of the mobile phone.
