Waterproof Bluetooth Earphones, Sweatproof Wireless Ear buds for Any Bluetooth Enabled Devices with mini Case and Waterproof case PREMIUM SOUND WITH WIRELESS ENJOYMENT -Bluetooth 4.0 CSR 8635 for Best Stereo Sound and Superb Bass. IT HAS COVERED BY METAL MATERIAL, SO WE CAN ENJOY THE PERFECT SOUND. Offer HD acoustic sound, dynamic music listening experience, and crystal clear hand-free talking at 33 feet of distance. Makes you enjoy a clear sound even though you are in a noisy environment. STATE OF ART ERGONOMIC DESIGN.Best workout sweatproof bluetooth headphones.Flexible and comfortable ergonomic designed ear hooks to naturally fit the contours of your ear for extended use, interchangeable earbuds to fit different ear sizes, stay put and don't come loose.Light weight with soft smooth silicone gel ear hooks and tips for extended comfort.Built for extreme activities like Running, Jogging, Hiking, Biking, Gym and Water Sport. LIGHT WEIGHT WITH STRONG BATTERY-3.5 hours Music playing on a full battery charge.Super quick charge time of only 1.5 hours which lasts up to 100 hours of standby time. Light weight and durable construction with ear stabilizers for secure fit. You can carry out with your small case. UNIVERSAL COMPATIBILITY- While pairing is very intuitive, TROND Edge can work seamlessly with your iPad, iPhone, iPod Touch, Android Smartphones, tablets, Bluetooth-enabled music players and Bluetooth receiver. LIFETIME SWEATPROOF WARRANTY - We will replace your Earbuds in case they ever get damaged by sweat! No questions asked.