Wireless Noise Cancelling Stereo Headset
MDR-ZX780DC
Charging the headset
The headset contains a lithium ion rechargeable battery. Charge the headset using the supplied micro-USB cable.
Hint
The headset can also be charged by a booted computer using the supplied micro-USB cable.
You can use the headset by connecting the supplied headphone cable, even while charging the headset.
If charging starts while the headset is turned on, the headset will turn off automatically.
Note
The headset cannot be turned on, nor can the BLUETOOTH and noise cancelling functions be used, during charging.
If the headset detects a problem while charging due to following causes, the indicator (red) may turn off, although charging is not complete. In this
case, charge again within the charging temperature range. If the problem persists, consult your nearest Sony dealer.
Ambient temperature exceeds the charging temperature range of 5 °C – 35 °C (41 °F - 95 °F).
There is a problem with the battery.
If the headset is not used for a long time, the indicator (red) may not light up when you connect the micro-USB cable to charge the headset. In this
case, do not disconnect the micro-USB cable from the headset: wait a few minutes until the indicator (red) lights up.
If the headset is not used for a long time, the battery may be quickly depleted, however, after a few recharges, the battery life will improve.
If you store the headset for a long time, charge the battery to its full capacity once every 6 months to avoid over discharge.
Connect the supplied micro-USB cable to the headset, connect the other end to the supplied USB
charger, and then connect the USB charger to an AC outlet.
Make sure that the indicator (red) lights up.
Charging is completed in about 2.5 hours (*) and the indicator (red) goes off automatically.
1
Time required for charging the empty battery to its full capacity.
*
10