1.The Charging Box With Built-in 1100mAh.It can recharge 18 times for single earbud,or recharge 9 times for two earbuds synchronous
2.K6H Pro come with usb cable,it is embedded in the box.Its life up to 3000-5000 times
3.Two earbuds are built-in mic.When you use the earbuds one at a time, ANY ONE MIC can working.But they both are used at the same time,only left mic can working.
4.SINGLE EAR & DUAL EARS MODE.You can use the earbuds one at a time, or they both are used at the same time
5.SUPER EASY PAIRING PROCESS.Take out K6H Pro Bluetooth earphones from the charging box, then connect via phone's Bluetooth menu.
6.Advanced Bluetooth 5.0 with TWS technology.Backward compatible with BT4.2,BT4.1,BT4.0. Compatible devices are iPhone X, iPhone 8, 8 Plus, 7, 7 Plus, Samsung,Huawei,Xiaomi,Oneplus,TV,Laptop,Tablet ect
Bluetooth Version: V5.0
Range: 33 Feet (10m)
Playing time: Up to 4-6 Hours
Charging Time: 2 hours