Charging the headset

The headset contains a built-in lithium-ion rechargeable battery. Use a commercially available USB Type-C cable to charge the headset before use.

  1. Open the USB Type-C port cover.

  2. Connect the headset to an AC outlet.

    Use a commercially available USB Type-C cable and USB AC adaptor.

    Illustration indicating the USB AC adaptor (A)

    A: USB AC adaptor

    • The indicator (orange) on the headset lights up.
    • Charging is completed in about 3 hours (*) and the indicator turns off automatically.

    *Time required for charging the empty battery to its full capacity. The charging time may differ depending on the conditions of use.

    After charging is complete, disconnect the USB Type-C cable and close the USB Type-C port cover securely to prevent water or dust from entering the headset.

System requirements for battery charge using USB

USB AC adaptor

A commercially available USB AC adaptor capable of supplying an output current of 0.5 A (500 mA) or more

A commercially available USB cable

USB Type-C cable (compliant with USB standards)

Personal computer

Personal computer with a standard USB port

  • We do not guarantee operation on all computers.
  • Operations using a custom-built or homebuilt computer are not guaranteed.


  • The headset can be also charged by connecting the headset to a running computer using a commercially available USB Type-C cable.
  • If charging starts while the headset is on, the headset will turn off automatically.


  • Charging may not be successful depending on the type of USB Type-C cable.
  • Charging may not be successful depending on the type of USB AC adaptor.
  • When the headset is connected to an AC outlet or computer, all operations such as turning on the headset, registering or connecting to Bluetooth devices, and music playback cannot be performed.
  • The headset cannot be charged when the computer goes into standby (sleep) or hibernation mode. In this case, change the computer settings, and start charging once again.
  • If the headset is not used for a long time, the rechargeable battery usage hours may be reduced. However, the battery life will improve after charging and discharging several times. If you store the headset for a long time, charge the battery once every 6 months to avoid over-discharge.
  • If the headset is not used for a long time, it may take longer to charge the battery.
  • If the headset detects a problem while charging due to the following causes, the indicator (orange) flashes. In this case, charge once 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 rechargeable battery.
  • If the headset is not used for a long time, the indicator (orange) may not immediately light up when the headset starts charging. Please wait a moment until the indicator lights up.
  • If the usage hours of the built-in rechargeable battery decrease significantly, the battery should be replaced. Consult your nearest Sony dealer.
  • Avoid exposure to extreme temperature changes, direct sunlight, moisture, sand, dust, and electrical shock. Never leave the headset in a parked vehicle.
  • When connecting the headset to a computer, make sure to connect it directly to the computer with a USB Type-C cable. Charging will not be properly completed when the headset is connected through a USB hub.