The Earphones fit securely in the Ear and prevent falling out. The apparatus is specially designed for racing and bouncing in a gym.
This phone has a remarkable standby time of 100 hours, a talk time of about three hours, and music playback of 6 to 7 hours. 
This design lets nobody stand in your way. Authentic, powerful, and clear highs and lows with Original Sound. Noise Cancelling Technology produces crisp, skip-free stereo sound.
It makes sports earphones that are sweat-proof and splash-proof.