Bluetooth V4.1 and 4.0 smart chip, efficient and stable data transmission ,Compact and ultra Light Design Stereo Bluetooth earpiece.Hands free for you to do everything with the earpiece
Long lasting:50 mAh rechargeable polymer battery provide up to 4 hours talking time(music time:3 hours)
Built in earphone: Invisible, smallest and one-button design.Digital noise-cancelling provides good quality clear and natural voice
Hands free :Get free from wire binding up,bring more convenience when working out,doing sports and other activities
