Discover the full potential of your new smartwatch with the WITHit app. Set up WITHit smartwatches easily and explore various features, including heart rate monitoring, message notifications, making and receiving calls, sports modes, music control, sleep tracking, women's reproductive health tracking, and more. Compatible with iOS (9.0+). All health data displayed in the WITHit smartwatches is unsuitable for medical purposes. All health data is only for general fitness/wellness purposes. WITHit Smartwatches are your ultimate companions for a smarter, healthier life: Designed For You. Built For Life.