🌀Sealed. No charging. Get your fitness and sleep on track with the Misfit RAY Fitness + Sleep Monitor. This sleek and stylish activity tracker from Misfit Wearables is perfect for running and jogging enthusiasts of all levels. With the carbon black Sports Band, this unisex adults' fitness tracker can be worn on your wrist all day long, monitoring your daily activity levels, sleep patterns, and progress towards fitness goals. Keep track of your fitness and wellness without worrying about the condition of your device. The Misfit RAY Fitness + Sleep Monitor is the perfect solution for anyone looking to monitor their health and wellness in style. Get your hands on this activity tracker today and start living your best life yet. iOS 7 & above. Android 4.3 & Above. Bluetooth smart.