Sony MDR-EX31BN User Manual page 19

© 2013 Sony Corporation
the headset, charging will not be completed properly. Check the
setting of the computer before charging. The indicator (red) will go
off automatically even if the computer enters into hibernation
mode. Charge the headset again in this case.
Use the supplied micro-USB cable only, and connect directly to a
computer. Charging will not be completed properly by an indirect
connection, such as via a USB hub.
Usage hours
Status
Music playback time (SBC/AAC) (up to) 9.0 hours
Music Playback time (aptX) (up to)
Communication time (up to)
Standby time (up to)
Time stated above may vary, depending on ambient temperature or
conditions of use.
Checking the remaining battery
When you turn on the headset by pressing the
indicator (red) flashes. You can check the remaining battery by the
number of times the indicator (red) flashes.
Indicator (red) Status
3 times Full
2 times Mid
1 time Low (needs to charge)
When the battery is almost empty
The indicator turns red. When the battery becomes empty, the
headset sounds a beep and turns off automatically.
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Approx. usage hours
NC On NC Off
10.5 hours
6.0 hours 7.0 hours
6.5 hours 7.5 hours
30 hours 100 hours
POWER button, the