Unique patent-pending, secure-fit eartips - 2-in-1 cable clip for added stability during active use Sweatproof coating by P2i and IPX5-rated water-resistant protection - Ultra-lightweight design for comfortable all-day wearing 6 mm drivers and occlusive eartip design blocks out noise and delivers deep, rich sound - Portable and discreet form factor sits flush in your ear Sport-weave cable provides visibility at night and minimizes cable friction - Up to 6 hours of wireless listening on a single charge or for a full hour with a 15-minute quick charge STABILITY: Patent-pending eartip design and 2-in-1 cable clip provide stability for your wireless earbuds during sport and fitness use COMFORT: Ultra-lightweight design and unique patent-pending secure-fit eartips minimize pressure points and provide all-day comfort SWEAT AND MOISTURE PROTECTION: Sweatproof P2i coating and IPx5-rated water-resistance protect the earphones from sweat, rain and spills NOISE-CANCELLING: 6 mm drivers and occlusive eartip design blocks out noise and delivers deep, rich sound; whether you’re in the gym or out running errands, these noise-cancelling headphones will suit your life on the go LONG LASTING BATTERY: Rechargeable battery lets you listen wirelessly with up to six hours of power on a single charge and a full hour of listening from a 15-minute quick charge Enjoy big sound in a small package with the ultra-light and portable BackBeat FIT 300 series of wireless sport earbuds. A sweatproof coating protects them during workouts and rainy commutes, while unique patent-pending, secure-fit eartips make them comfortable for all-day wearing - everywhere from the gym to the grocery aisle. About Plantronics: We believe that people come first and that technology must be simple, intuitive and personalized. As an industry leader, we look beyond just building the best headsets. Through the insightful application of the latest technology, we create innovative audio solutions that help solve the problems that prevent people from getting their most important tasks done.