Fossil smartwatches work with phones running the latest version of Android or iOS.This 45mm Machine Gen 6 Hybrid smartwatch gives you 4+ weeks battery life and features a navy silicone strap plus an always-on readout display so you can get your heart rate, message previews, weather and more at a glance. See the Fossil Smartwatches App Privacy Policy and Terms of Use for more (accessible below at “Customer Care”).