BONE CONDUCTION TECHNOLOGY: Mini vibrations deliver premium audio with deep bass to your inner ear ULTRA LIGHTWEIGHT: Ergonomic design weighs only 24 grams SECURE & COMFORTABLE: Loops over the ear and deliver a pain-free listening experience 9-HOUR BATTERY: Long-lasting battery for calls and music IPX5 WATERPROOF: Protects against weather and sweat NOISE-CANCELING MIC: Make and take calls on the go with no interference