Plantronics BackBeat Fit Bluetooth Headphones - Blue - Frustration Free Packaging SPORTS AND WORKOUT EARBUDS: Specifically constructed with a flexible design so earbuds remain stable in your ear throughout all levels of exercise; Case not included with waterproof headphones WATERPROOF AND SWEATPROOF: Designed with invisible nano-coating technology to protect earbuds against water and sweat during running and workouts. LONG LASTING BATTERY LIFE: Impressive 8 hours of wireless listening time per charge allows you to spend more time working out with these sport headphones. WORKOUT FUNCTIONALITY: Easily accessible on-ear controls let you control music and calls through our Bluetooth technology while running, biking, and other forms of exercise. SPORTS EARBUDS SAFETY: Headphones features a safety-oriented eartip design that allows you to hear your surroundings during outdoor exercise and activities.