Remax RB-T7 Bluetooth Earphone with the Bluetooth V4.1 technology so you can enjoy streaming music as well as move around freely. In this Bluetooth Earphone, it provides multi-pointing high compatibility, multi-point function, battery indication. The Remax RB-T7 has up to 10m (free space) operating distance, up to 4hrs talk/music time, 100 hrs standby time, 2 hrs charger time with 01 year of waranty.