IP68 Women's Smartwatch with Sleep Tracker - Gold Diamond ScreenThe 1.04 inch LCD color screen offers excellent HD image quality. You can adjust 6 levels of screen brightness to meet your day and night brightness needs. 3 themes can be chosen on the smart bracelet. The watch has several functions such as 12/24 date and time display, heart rate, sleep monitor, automatic pedometer, alarm clock, multi-sport mode, notifications, sedentary reminder, remote camera control, anti-lost alert, find phone, incoming call and SMS reminder, message reminder, music control, etc. 15 days of standby, 5-7 days of use.Automatic and continuous heart rate tracking helps you better understand your health and fitness. It automatically tracks your sleep duration and consistency through comprehensive analysis of sleep quality data. Accurately record activities 24/7. Tracks your steps, calories burned, miles traveled and active minutes for the day. The watch reminds you of messages and calls with the message and caller ID displayed on the tracking screen so you don't never miss calls and messages in meetings, sports or at work. The watch and your phone app are linked by Bluetooth，Sync your health, exercise monitoring data, sync info (SMS/Skype / Facebook / Twitter / Line / WhatsApp / QQ / WeChat). Compatible with IOS 8.2 and later and Android 4.4 and later smartphones.