Lose the wires and experience HD audio that is powerful and intense, just like your workout * Ultimate custom sports fit with five sizes of ear cushions included for a perfect and secure fit. * Sweat-proof, durable, and made with Kevlar fiber to hold up to your toughest workouts. * Compatible with Bluetooth-enabled mobile phones and music players from all leading manufacturers. SF600 is also compatible with the MOTOACTV Fitness Tracker and Music Player. * Included in the Motorola Retail Packaging: SF600 Wireless Sports Headphones, 5 Sizes of Ear Cushions, Wall Charger, Travel Pouch, Quick Start Guide