1. Nano Waterproof Professional Running Bluetooth Headset
2. Flexible shrink line design stable wear
3. Small and light no weight
4. Head-mounted design to solve the problem of not wearing painful movement wearing hard and not easy to fall comfortable not grinding skin
5. 140mAh built-in battery listening to songs for 12 hours talking for 15 hours
6. Elastic short-line design automatic storage no knots no winding
7. Support a variety of mobile devices as long as there is Bluetooth to be compatible
8. Support iOS mobile phone system power display view power anytime anywhere
9. Bluetooth version: V4.1