Style: Headband Communication: Wireless Connectors: USB Use: Mobile Phone, Computer, Portable Media Player Function: Microphone, Waterproof, Noise Cancelling, Bluetooth Bluetooth Version: V4.1 + EDR Audio range: 2.4 GHz Earphone Battery capacity: 40 MAH Talking time: 2-3 H Music playing time: 2-3 H Standby Time: 96 Hours Charging Time: 40 min Bluetooth distance: 15 M Charging Voltage: DC5V Earphone weight: 8g Show More