Notes: 1)Indoor positioning services are not supported. Positioning speed and accuracy may be affected by the surrounding environment. The number of satellites connected to simultaneously, and specific satellite connections, may depend on your location. 2)The Amazfit T-Rex Ultra can be used as a map browsing tool to import OSM map files. Display of offline maps is only compatible with sports modes which support GPS positioning. The downloaded offline map must match your real location to be displayed, and a route file must be imported for navigation – it's not possible to choose a point on the offline map for navigation. 3) Adidas Running requires Zepp App version 7.1.0 or higher. Strava, Relive, and adidas Running availability may vary depending on your country or region. Apple Health is only available on iOS devices, and Google Fit is only available on Android devices. 4) The battery life may vary according to the settings, operation conditions and other factors. So the actual result may differ from the laboratory data. 5) This product and the Zepp App are not medical devices and cannot be used for medical purposes, or as basis for diagnosis of any medical condition. 6)The material used for the packaging box is 100% environmentally friendly, with naturally degradable materials including mineral-free inks and anodized aluminum used in the bronzing process, as well as naturally degradable packaging materials for plastic. 7)Call Quick Reply is only supported by Android devices with Zepp App version 6.10.0 or higher version installed..