Plantronics BackBeat Fit is flexible and water-proof Wireless Headphones. BackBeat FIT works through rain, sweat and even the splash of a sports drink. It is specially made for workouts as its design fits comfortably and stays put for all levels of exercise. The easily accessible on-ear controls let you keep moving while you control your music or calls. The headphone offers powerful audio which lets you clearly hear music and calls while a safety oriented design lets you hear your surroundings and be seen at night. It has Bluetooth version 3.0 and wireless range is up to 33 feet or 10 meters. Moreover the BackBeat FIT features up to 8 hours of music playback, 6 hours of talk time and 14 days of standby time.