Levin Bluetooth 4.0 Waterproof Sports Earphones (IP66 Waterproof) for Smartphones, Black&Yellow PERFECT WORKOUT PARTNER : Levin headphones are protected against sweat and water by design and P2i nano-technology,waterroof class up to IPX6 . You can enjoy its musicality in connection with pristine sound under any humid circumstance. OUTSTANDING LISTENING EXPERIENCE : Earbud design directs sound into the ear for deep bass and extended frequency response .Dual-driver acoustics power music through each earbud delivering Beats signature sound for an unparalleled listening experience. DURABLE AND COMFORTABLE : Lightweight and compact design with a flexible ear hook keeps the headphones securely in place ,stays put for all levels of exercise , providing a comfortable and secure fit . HIGH QUALITY GUARANTEE : 10-meter working distance ,10 hours of wireless talking time or 7.5 hours music time per charge allows you to enjoy outdoor exercises with Levin sport headphones. CONNECT TWO DEVICES AT THE SAME TIME : Pair it with two Bluetooth-enabled devices at the same time and don't miss your calls when you have two cell phones!