Awei A888BL Sport Wireless Earphones Bluetooth IPX4 Waterproof Bass Stereo Headset with Microphoe Noise Reduction BlackKey Features...Neckband type, light weight, not easy to fall off during sports.IPX4 waterproof design, well prevent sweats or rain damaging the earphones.Inspired by the shape of sport car, metal texture, very unique and beautiful.1.5 hours fully charged, 300 hours super long stan..