12
US
Preparation
If you do not use the headphones for a long period of time, the life of the rechargeable battery may
become short. The life of the rechargeable battery improve when you repeat the charging and discharging
process several times.
The rechargeable Lithium-Ion battery should be replaced with a new one when it lasts only half the
expected time, after a full charge has been performed. The rechargeable battery is not commercially
available. The rechargeable battery is not intended to be replaced by the user, please contact your nearest
Sony dealer for a new battery replacement.
Do not store the headphones in hot places for a long period of time. Charge the battery once a year to
prevent over discharge.
Avoid exposure to extreme temperature, direct sunlight, moisture, sand, dust or mechanical shock.
Charging and usage time
Approx. charging time
Approx. usage time*
1
3 hours
*
2
20 hours
*
3
*
1
at 1 kHz, 1 mW + 1 mW output
*
2
hours required to fully charge an empty battery
*
3
Time may vary, depending on the temperature or conditions of use.
Checking the remaining battery power
To check the battery power, press and hold the POWER button about 2 seconds. The battery
is still serviceable if the power indicator on the right housing lights up in green. Charge the
rechargeable battery if the power indicator dims or flashes, or the sound becomes distorted or
noisy.
POWER button
Power indicator
POWER button
Power indicator
