Wireless Headphone Battery Replacement
Rear Controller and Screen Removal/Installation1. Insert a coin in the slot between the cover and earpiece of the wireless headphone, then twist it slightly to open the cover.
2. Pull the cover (A) outward, and pivot it out of the way.
3. Remove the batteries (B) from the wireless headphone.
Replacement Battery Size: AAA
4. Push the on/off button (A), and confirm that the indicator (B) comes on after the batteries are replaced.