FUNCTIONAL DESIGN:: It is Designed to Fit Firm on your Ear and to ensure its Anti Fall-Out. Its Specially Designed for Running , Jogging and to use at Gym. INCREDIBLE PLAYTIME :: It Provides an Impressive 100 Hrs of Standby Time and About 3 Hours of Talk time and 6 - 7 Hours of Music Play Time HIGH FIDILITY SOUND :: Designed to Let Nothing go in between you and your music. Experience Original Sound with Powerful Highs and Clear Lows . The Noice Cancelling Technology ensures Crisp , Skip Free Stereo Sound. SPECIAL FEATURE :: Earphones are build for Sports and they are Sweat Proof and Splash Proof. HANDS-FREE CALLING :: It Features a one touch incoming Call receive Functions from up to 30 Feet Distance. The Earphone has Song Selection , Play / Pause Function and Call Receiving Controller.