Techmade JOY Smartfit allows you to live your personality freely, adapting to your style. Designed for wellness, fitness and much more. Smartphone iOS 11.0 o v.s. e Android 6.00 o v.s. Functions : Wrist Sense, Time, Pedometer, Calories, Distance, Sleep Monitor, Call Waiting, SMS Alert, Alert, Notifications, Waterproof, Sedentary Reminder