Why the headphones does not charge?Please make sure both ends of the USB cable are securely connected. If you use a power outlet, ensure that the power supply is connected securely and the outlet works. If you use a computer, make sure it is connected and the USB port is powered. Turn on the headset and then turn them off. Disconnect and reconnect the USB charging cable.
Specifications: Battery capacity: 90mah Standby time: 120 hours Charging time: 2 hour Product size: 57* 17*8mm Product weight：10g suitable for：iPhone/ Samsung/ iPad and more. Supports Languages Translation: Chinese, English, Japanese, Korean, Russian, French, Thai, German, Italian, Arabic, Spanish, Danish, Swedish, Finnish, Dutch, Portuguese Colors：Black Packing includes: 1pc x Earphone 1pc x USB cable 2pc x Earbud