Charging the headphones/Connecting the processor to the wall outlet

The headphones contain a lithium ion rechargeable battery, which should be charged before using the headphones for the first time.

  1. Connect the processor to the wall outlet with supplied AC adaptor.

    A: AC adaptor (supplied)

    B: To the wall outlet

    * The shape of the AC adaptor differs depending on the country or region.

  2. Place the headphones on the charging terminal of the processor.
    You can charge the headphones regardless of the left or right orientation.

    A: The charge indicator is lit in red during charging.

    B: The charging indicator turns off when charging is completed.

  3. When the charge indicator turns off, remove the headphones from the processor.

Charging and usage time

Approximate charging time Approximate usage time*1
6 hours*2 17 hours*3
20 minutes*4 2 hours*3

*1 At 1 kHz, 1 mW + 1 mW output

*2Time required to fully charge an empty battery

*3Time may vary, depending on the temperature or conditions of use.

*4Time spent to charge an empty battery


Charge the battery of the headphones under following situations.

  • The headphones sound a long beep (about 2 seconds) and turn off.
  • The power/charge indicator of the headphones is dim or does not light up.
  • Sound is interrupted.

Note

  • Charge the battery in an ambient temperature of between 5°C and 35°C (41°F and 95°F). If you charge it outside the recommended temperature range, the charge indicator flashes and the battery may not be charged.
  • The POWER (power) button of the headphones and the (power) button of the processor are not available during charging.
  • If you do not use the headphones for a long period of time, the life of the rechargeable battery may become short. It improves when you repeat the charging and discharging process several times.
  • If you store the headphones for more than a year, charge the battery once a year to prevent over-discharge.
  • If the length of time you can use the headphones became extremely short, the rechargeable battery should be replaced with a new one. Please contact your nearest Sony dealer for a battery replacement.