Neojdx Wingz Bluetooth Headphones, Best Wireless Sports Earphones w/Mic IPX5 Waterproof HD Stereo Sweatproof Earbuds for Gym Running Workout 6 Hour Battery Noise Cancelling Headsets - Black Perfect workout headphones that are snug and secure so the headphones stay put while running, biking or at the gym. Sweat-proof/rain proof with IPX4 rating, Onscreen Battery indicator on iOS, 6-8 hours of Talk/Playing Time at 60-80% volume. CVC noise Isolation technology reduces outside noises, enable clearer microphone sound. Long battery life allows the headphones to play up to 6 hours of continuous music at a time or 175 hours of standby time. Earbuds that work with all smartphones, tablets and music players. Latest Bluetooth 4.1 technology; easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; DdSX codec provides pure, CD-like high quality sound for compatible devices.