BONE CONDUCTION TECHNOLOGY: Mini vibrations deliver premium audio with deep bass to your inner ear 32 GB MP3 STORAGE + BLUETOOTH: Stream your favorite songs on-the-go IP68 WATERPROOF: Fully waterproof in up to 1.5 meters of water SECURE & COMFORTABLE: Loops over the ear and delivers a pain-free listening experience 7-HOUR BATTERY: Long-lasting battery for calls and music NOISE-CANCELING MICROPHONES: Make and take calls on the go with no interference