Plantronics BackBeat FIT 3100 True Wireless Earbuds, Sweatproof and Waterproof in Ear Workout Headphones, Black (Certified Refurbished)
About this item:
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 up to 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.