1.lpx5 waterproof No fear of sweat,No hindrance to movement,Not afraid of sweat and rain erosion. 2.Star River series,Flat ear magnetic suction Wireless headset.Silicone touch, painless in the ear, exercise. 3.Long life Large capacity and low power consumption. 4.Natural fit wear it for a long time.Lightweight body for a natural fit. 5.Magnetic suction design One second storage Remove the natural adsorption.