Reflex tunes FT4 model is the latest earbud model from the brand Fastrack . This earbud model comes in three trendy colors - Black, White & Pink . This earbud is powerpacked with a super long 40 Hrs battery life . Earbud contains an advanced deep bass 6 mm driver , enhanced sound with every beat.Evironmental Noise cancellation to give the immersive sound experience . Pair it up with any IOS/Bluetooth device.