Operating system Android Memory storage capacity 4 GB Special features Heart rate monitor Battery capacity 2.2E+2 Milliamp Hours Connectivity technology Bluetooth About this item Applicable wrist circumference 130-210 mm The HUAWEI Watch Fit 3 is only 9.9 mm and 26 grams. In addition to its slim and lightweight shape, the aluminium alloy case and smooth metal buckle is fashionable and eye-catching. Enjoy the huge display of the Watch Fit 3. The ultra-slim frames, a high screen body ratio of 77.4%, a refresh rate of 60Hz and automatically adjustable brightness bring your visual experience. The Watch Fit 3 supports over 100 training modes and automatic detection of six types of exercise. Use a brand new running tracking mode that uses the watch's high-precision GPS system to calibrate lap distance and determine the routes of your runs. The completely new function with intelligent recommendations recommends sports and activities depending on training habits, calories burned and even weather conditions. So your next great hobby is just a tap away!