Screen display band 0.96 inch TFT Heart rate detection Timestep, distance and calorie display on the screen Standard function (step, distance, calories) Sleep monitoring (sleep time, sleep quality Incoming remind, Message push Anti-lost remind (phones beyond the scope will remind) Alarm clock remind moving target setting moving information sharing SUOTA function through the APK/APP upgrade bracelet firmware "Yoho Sports"APP in google play and app store Android and apple application in sync Phone System Android 4.4 and above, IOS 8.0 and above, bluetooth 4.0 support Bluetooth version BLE 4.0 Bluetooth chip Mcuble ST17H25 Heart rate module HRS3300 Battery capacity 60mAh Standby time About 15 days Working time About 5-7 Days Motor vibration remind Charging interface...