This more elite of sports smartwatches uses an always on AMOLED screen so in watch mode looks very much like a standard sports watch - which I really like. The response of the touchscreen is instant and it looks and feels premium - with all the usual fitness tracking features you would expect along with full wireless calling too. It's IP68 waterproof too so it's happy enough going for a good swim. I am yet to test it's quoted 12 days of battery life but honestly if it does even half of that in real life I will be impressed. Available Colors Black Gray Orange Battery 400mAh polymer lithium battery use time up to 12 days Battery Capacity 400mAh(Rated Value) Buckle Interpolotion Charging Method Magnetic Charging Color ["#000000","#808080","#ffa500"] Dimension 1.43" Heart Rate Yes real-time dynamic heart rate monitoring with a green light sensor Material AMOLED Min & Max. Wrist Dimensions 150-200mm NFC Yes Packing List Smart Watch (including Standard Strap),Magnetic Charging Cable, Instruction Manual Pedometer Yes steps distance and calories burning Phone Call Wireless Call Screen Size 466*466 Resolution Sleep Monitor Yes sleep quality analysis Sports Mode running walking badminton tennis basketball table tennis cycling yoga skipping rope climbing indoor running Elliptical machines rowing machines slacker bikes stationary bikes baseball rugby cricket strength training Strap Materials Silicone Quick release Supported Devices Andriod7.0 and above, IOS12.0 and above Theoretical Charging Duration Approx.2Hours Touch Screen Tempered Gallss+ Anti fingerprint coating Waterproof IP68 Width 22mm Wireless Wireless 5.3