The headset does not charge. (WF-1000X)

IMPORTANT: This article applies only to specific products and/or operating systems. Check the Applicable Products and Categories section of this article before starting these steps.

Check the following:

• The headset may not be securely set in the charging case.
  Push the (L) left unit and (R) right unit until they click and make sure that the indicators light up in red.
• The remaining power of the rechargeable battery (which is built in the charging case) may be low.
  Charge the charging case.

Hint

When the charging case is charged fully, you can charge the headset about 2 times.
In the following cases, the remaining power of the rechargeable battery (which is built in the charging case) is low and unable to charge the headset.

• When you set the headset on the charging case, the indicator (red) flashes and then turns off quickly.
• When you set the headset on the charging case, the indicator (red) does not light up/flash and the headset does not turn off .