Poly (Plantronics + Polycom) BackBeat FIT 2100 Wireless Sweatproof and Waterproof in Ear Workout Headphones,

Key features

• SAFETY: Stay visible in the dark with Plantronics headphones featuring a reflective finish and Always Aware eartips so you can hear your surroundings and train safe in any environment.Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ear
• COMFORTABLE DESIGN: BackBeat FIT wireless headphones have 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 headphones have up to seven hours of wireless power so you can move more and charge less
• 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
• MY TAP: New My Tap offers feature customization through the Plantronics BackBeat app. Set a timer, start a stopwatch or select your favorite playlist directly from your earbuds without ever interrupting your workout