Pacoco Magnet Fineblue Mate7 Mini Bluetooth Wireless Headset Stereo Headphone (Black) Transmission Distance:10m Standby Time:About 3 hours Main Function:Headset head to suck Stereo sound swich machine in Enlish and Koream Switch Suer-long Standby call Chinese Newspaper a perfect connection Switch machine voice prompt let you know more about your mobile phone Compatible for Mobilephone, Tablets