77.4 percent screen-to-body ratio draw you in to a vibrant visual world that remains clear as day even under direct sunlight, with a 60 Hz refresh rate and auto-adjustable brightness 【Ultra-Slim Design】 The new HUAWEI WATCH FIT 3 is a wafer-thin smart watch at just 9.9 mm and 26 g; The aluminium alloy body and smooth metal buckle are cool as can be, and a sight for sore eyes 【All-Round Fitness Management】An all-new smart suggestions feature recommends sports and activities to try out, based on workout habits, calorie consumption, and even weather conditions, so that your next great hobby is just a tap away 【Comprehensive Health Managment】Stay on top of the beat, even when you're running or exercising, with accurate heart rate monitoring made possible by our best-in-house multi-channel module and smart fusion algorithm 【Durable Battery Life】 With up to 10 days of battery life, and a full week in most cases, you can go about your day with absolute peace of mind; 10 days of maximum usage, 7 days of typical usage 【Compatible with iOS and Android】 HUAWEI WATCH FIT 3 is compatible with both iOS and Android, for greater ease of use