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DR-BT21iK [GB] 3-280-325-12(1)
DR-BT21iK [GB] 3-280-325-12(1)
Caution
If the headset detects a problem while charging, the headset indicator (red) may
turn o, although charging is not complete.
Check for the following causes:
– Ambient temperature exceeds the range of 0 °C – 40 °C (32 °F – 104 °F).
– ere is a problem with the battery.
In this case, charge again within the above-mentioned temperature range.
If the problem persists, consult your nearest Sony dealer.
Notes
If the battery is not used for a long time, battery may be quickly depleted,
however, aer 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.
Battery usage hours
*
Status Approx. usage hours
Communication time (including music
playback time) (up to)
11 hours
Standby time (up to) 100 hours
* Time stated above may vary, depending on ambient temperature or conditions
of use.