Introducing the Shark Tooth, a Bluetooth enabled Shark Watch powered by Wavetrak, the data engine behind Surfline.com. Get all your favorite surf forecasting, tide, and weather data in real-time for any location in the world. Also including music and camera control from the convenience of your wrist. All this in a watch that runs off a standard battery, No recharging needed. The Shark Tooth, fitted with a comfortable silicone band, 100 meter water resistance, and like all Freestyle Watches, is backed by our limited lifetime warranty.