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Checking the remaining
battery
When pressing the POWER button
while the unit is turned on, the
indicator (red) flashes. You can
check the remaining battery by the
number of times the indicator (red)
flashes.
Indicator (red)
3 times
2 times
1 time
Note
You cannot check the remaining battery
immediately after the unit is turned on, or
while pairing.
When the battery is almost empty
The indicator (red) flashes slowly
automatically.
When the battery becomes empty, a
beep sounds and the unit will turn
off automatically.
Approx.
usage hours
11 hours
100 hours
Status
Full
Mid
Low (needs to
charge)
Notes
• If the battery is not used for a long time,
battery may be quickly depleted,
however, after a few recharges, battery
life will improve.
• If the life of the built-in rechargeable
battery drops to half the normal length,
the battery should be replaced. Consult
your nearest Sony dealer for
replacement of the rechargeable battery.
• Avoid exposure to temperature
extremes, direct sunlight, moisture,
sand, dust or mechanical shock. Never
leave in a car parked in the sun.
• Use only the supplied AC power
adaptor. Do not use any other AC
power adaptor.
Usage hours
*
Status
Communication
time (including
music playback
time) (up to)
Standby time
(up to)
* Time stated above may vary, depending
on ambient temperature or conditions of
use.