Tengreen Qy7 Sweatproof Sport Running Wireless Bluetooth 4.1 Headphones Stereo Earphone Qy7 Fashion Studio Music Headset with Microphone for Lg/apple/samsung/nokia/pc/ipad - Green/black Talk/music playtime: Approximately 4 -5hours Charging time: Approximately 2 hours Built-in microphone Portable lightweight and sweatproof design