- Before charging, make sure the headphones have been switched off.
- Plug the USB cable into the charging port of headphones; plug the other side of the USB cable into a USB charger or other charging device. Charging will start, and the red light remains illuminated on the headphones.
- A full charge takes approximately 2 hours, and then the red light will turn off when fully charged.
Warning: You must use the original cable to charge the Bluetooth headphones, otherwise it may damage the headphones. Proper charger voltage must be 5V with a current rated at 1A.
These headphones use a non-detachable built-in rechargeable battery. In order to prevent damage to the headphones, please do not remove the battery.
Note: The voice prompt “Battery Low” will notify you when the headphones need to be recharged.