Wireless Bluetooth sport earphone that uses the latest Bluetooth 4.1 technology to connect your mobile device. Operating distance up to 10 meters, play time up to 6 hours on a full charge and 180 hours in standby. Including 90mAh lithium battery that can be fully charged within 2 hours. The casing is made out of lightweight ABS. IPX 4 level waterproof. The music can be controlled with the buttons on top of the ear bud. Including EVA pouch.