Superior Sound for a Superior Workout Lose the wires and gain breakthrough HD sound. The Motorola SF600 wireless headphones deliver crystal clear, pulse-pumping sound quality to keep you focused and motivated through every step of every workout. High Definition Workouts Motorola SF600 features advanced HD audio capabilities including APT-X codec technology, designed and tested to match even the best of wired headset performance. Your favorite workout tracks are streamed from your MOTOACTV so that you can keep moving without getting tangled up in wires. Work Up a Sweat Sweat all you want – these headphones can take it. Hydrophobic mesh and lightweight durable materials including Kevlar and silicone seals deliver strength and protection from moisture. Motorola SF600 has ear cushions in five sizes to ensure a secure, comfortable fit no matter what your pace is. Keep Moving, Stay Connected Stay connected to your workout and the rest of your life. Motorola SF600 headphones allow you to answer calls and texts whether you’re on the trail or on the treadmill. A built-in mic and controls make it easy to manage your calls and music. In addition to working with MOTOACTV, the wireless Motorola SF600 headphones are compatible with most mobile phones, music players and tablets from Motorola and all leading manufacturers. Product Details Hydrophobic Mesh to keep the beats rolling and the moisture out Made with Kevlar fiber to hold up to your toughest workouts Wired Quality Audio over Bluetooth enabled by apt-X Lossless Wireless Technology HD Sound with enhanced bass TrueComfort Fit