Plantronics 211855-99 BackBeat Fit 3100 True Wireless Earbuds, Sweatproof and Waterproof In Ear Workout Headphones, Black, One Size Fits All
Brand: Poly (Plantronics + Polycom)


Safety: Train safer with always aware eartips that are designed to let in ambient sound, allowing you to simultaneously listen to music and hear your surroundings
Comfortable design: Backbeat fit 3100, recognized as a 2018 CES innovations award honoree, features a soft, flexible and secure fit earloop design that provides a comfortable fit and remains stable during your most rigorous workouts
Long lasting battery: Bluetooth earbuds have up to five hours of wireless power so you can move more and charge less. Plus, a soft shell charging case stores your wireless earbuds and offers upto 10 additional hours of power between charges so you can listen even longer
Waterproof and sweatproof: IP57 rated durable, sweatproof and waterproof design protects the earphones from sweat, rain, and spills and can withstand your most rigorous workouts
Backbeat app: Easily install firmware updates, personalize your earbuds with the new my tap feature, and choose your preferred voice prompt language, all from the backbeat app