Bluetooth Headset, Perman Ear Hook Wireless Bluetooth 4.1 Headset Sports Jogging Stereo Waterproof Earphone Pairing Smart Phones Computers All Bluetooth Enabled Devices (Black ) Talk time: 4.5 hours. Charge hours: 2 hours. Standby time: 180 hours. The use of distance: 10m. Battery capacity: 65mAH. Power input: DC5V / 200mA. The latest Bluetooth 4.1 technology. Noise: CVC6.0. Agreement: HFP HSP A2DP AVRCP APTX. Voice prompts: Support. Function: call dialing, remote answer / end / reject / switch, telephone redial, mute, volume control, English switch, smart one for two, music pause / play, up and down the song. Applications: Supports any, IPAD tablet, desktop computer with a Bluetooth device class phones. Not carrying a Bluetooth-enabled desktop computers can be used with a Bluetooth adapter.