The TomTom Spark Music lets you train with music, not with your phone. Features 3GB of music storage, audio feedback, 24/7 Activity tracking, GPS tracking, multisport mode and automatic sleep tracking. Workout with music, not your phone: carry 500 songs without carrying your phone. Thats 3gb of music wrapped around your wrist. So you can listen to your favourite playlists straight from your watch. Track your activity all day: measure your active minute every day. Sprints, strolls, steps. Every active minute counts. Tracking your moves all day, it all adds up to time, distance and calories burned. Track all your sports: go beyond the road and racetrack. Bike. Gym. Swim. Treadmill. Switch mode to mix up your training. Train smarter with real-time information: speed. Pace. Time. Distance. Calories burned. Your stats, as they happen. So you know when to push it - or when to shift it down a gear. Wrist monitor. Size H17.5, W3.5, D1.1cm. Weight 0.05kg. Batteries required 1 x Li-Ion (included). Manufacturers 2 year guarantee.