Answering calls and changing songs are as easy as the push of a button.6 HR BATTERY LIFE
Battery lasts up to 6 hours on one charge letting you get through your entire workout.
Using itFit's "secure fit" technology each earbud is sized specifically to fit your ear.SWEAT PROOF
Designed specifically for running & fitness itFit Sound is sweatproof + water resitent.
With the newest in bluetooth 4.1 technology itFit Sound has a flawless connection.NOISE CANCELLING
itFit Sound uses noise cancelling technology making for flawless sound