Keepax Sports Bluetooth Earphones, Wireless Sports Earbuds Sweatproof Headhones Noise Cancelling Headsets with Mic Keepax Superb sound quality headsetBluetooth V4.1+Edr for stereo sound and great bass sound. Best wireless earbuds sound. Built-in mic with voice notification of incoming calls. Up to 7 hours battery lifelong music playing for full battery charge. Super fast charge time with light indication. The Headphone battery status will be automatically displayed on the iOS phone screen. Best workout Sweatproof Headphonegreat for running, jogging, hiking, biking. Never have to worry about you earbuds might got damaged by too much sweat because it is designed to be Sweatproof under lifetime guarantee. Comfort wearing with secure fitDesigned in a ergonomic angle, The S350 can fit snugly in your ear without hurting your ear or popping off while moving around or working out. 1-Year hassle-free warrantywe not only offer a 30-day satisfaction guarantee, our products come with a lifetime hassle-free Sweatproof warranty and top notch customer service.