Plantronics BackBeat Fit Bluetooth Headphones - Blue SPORTS AND WORKOUT EARBUDS: Specifically constructed with a flexible design so earbuds remain stable in your ear throughout all levels of exercise. 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. Sports and Workout Earbuds: Specifically Constructed with a Flexible Design so Earbuds Remain Stable in Your Ear Throughout All Levels of Exercise Water-proof: Ip57rating to Withstand Fresh Water up to One Meter for 30 Minutes 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