Sony XBA-BT75 - Manual (Page 8)

GB
XBA-BT75 [CE7 (GB, FR, DE, ES, NL)] 4-411-333-41(1)
Charging the unit
The headset and carrying case contain rechargeable Lithium-Ion batteries, which
should be charged before using for the first time. The supplied carrying case is required
to charge the headset.
Charging the headset
and the carrying case at
the same time
1
Put the headset in the carrying
case.
Headset
indicator
Charging indicator
Close the carrying case cover.
Close firmly until you hear a click.
Note
Charging will not start when the cover is
open.
Connect the supplied USB cable
to the carrying case, and then
connect the other end to a
computer.
Charging indicator
Headset indicator
Charging starts and the two
indicators light up red.
Charging is completed in about 2
hours* (for headset), or about 3
hours* (for carrying case), and each
indicator goes off automatically.
* Time required for empty battery to
recharge.
Notes
 The headset cannot be connected to a
computer directly by USB cable.
 If the headset and/or the carrying case are
not used for a long time:
– Charging may take more time.
– The indicators may not light up when
you connect the USB cable. In this case,
keep the USB cable connected to the
carrying case, and wait until the
indicators light up.
– The battery may become quickly
depleted; however, after a few recharges,
battery life will improve.
– Charge the rechargeable battery at least
biannually to avoid the deterioration of
the battery.