1 Lithium ion batteries required.

9 New Updates: Bluetooth 5. 0, superior sound quality, total 12 hours play time, 4g ultra-lightweight, zero pressure multi-function touch Control, DSP noise-canceling technology, voice assistant, IPX5(Professional Laboratory Certification), magnetic lid.
Wireless freedom Meets BT 5. 0: Powered by global Professional relate chipset and next-generation BT 5. 0 technology, our wireless earbuds own stable connect and easier operation. Quick pairing out of the box. And just put them back into the charging case, It will charging. These are our GT1 engineered to deliver a better wireless experience.
Superior Music Quality: A better wireless experience starts with what you hear. 7. 2mm dynamic driver has been embedded in this small earbud. Coupled with Advanced Audio Coding(AAC) and high-polymer diaphragm, GT1 delivers punchy bass and soft, clear mid-highs. and the Hifi stereo sound can offer face-to-face calling experience！