• Listen Longer : With Built-in 110mA rechargeable Li-ion battery, offers 280h standby time, 7h play time,longer than most earphones on the market.(easily check battery on the right corner of your phone)
• Water-Resistant: IPX4 water-resistant shell and internal Nano-coating provide a double layer of water protection. Run in the rain or sweat it out in the gym,enjoy sports freely
• Faster Connection: Bluetooth 4.1 ensures 3s quick connection range of up to 33 ft., compatible with the iPhone or any Bluetooth device. Even 2 mobile simultaneously