square shape that looks stylish, fashionable, and similar to the Apple Watch Ultra; The strap is compatible with the Apple watch ultra; 2.0 inch large IPS full touch screen curved with 2.5D glass and 420*485 pixels; except for heart rate function, sleep monitor; it has a pedometer and allows us to control and estimate the calories burned throughout the day; what’s more, it is equipped with a speaker and microphone that allows you to make calls directly via a smartwatch. And other features: Blood oxygen monitor, Blood pressure monitor, Sedentary reminder, NFC access control, Multi-sports modes, Alipay Offline payment, Weather, Find Phone, Bluetooth, and so on. The battery are 280mAh capacity, which support 2-5 days of normal usage and 7 days of standby.