Charging The Unit - Sony DR-BT21G Operating Instructions Manual

Charging the unit

The unit contains a rechargeable Lithium-Ion battery, which should be
charged before using for the first time.
1
Connect the supplied
AC power adaptor to the
DC IN 3 V jack on the
unit.
Wireless Stereo
Headset
To DC IN
3 V jack
When the AC power adaptor is
connected to an AC outlet,
charging starts.
Tip
If the AC power adaptor is connected
to an AC outlet while the unit is
turned on, the unit will be turned off
automatically.
8
US
2
To an
AC outlet
AC power
adaptor
(supplied)
Caution
If this unit detects a problem while
charging, the indicator (red) may
turn off, although charging is not
complete.
Check for the following causes:
– Ambient temperature exceeds the
– There is a problem with the
In this case, charge again within the
above-mentioned temperature range.
If the problem persists, consult your
nearest Sony dealer.
Make sure that indicator
(red) lights up while
charging.
Charging is completed in about
3 hours* and the indicator (red)
goes off automatically.
* Time required for empty battery to
recharge.
range of 0 °C – 40 °C (32 °F –
104 °F).
battery.