Connected watch sports activity tracking IP67Unique design with possibility of multiple choices for the wallpaper of the watch. You can choose an existing one or by downloading through the app. You can even personalize the screen with one of your photos. The watch recalls the female cycle, measures your heart rate throughout the day, your blood rate, your oxygen level, your sleep, your sports activity such as running, cycling, climbing…. Sports activity data is analyzed. You also receive your notifications such as calls, messages….Compatible system: IOS / Android system Chip: hs6620-A4Bluetooth version: Bluetooth 4.2Waterproof level: IP67 waterproofScreen: 1.09 inch IPS LCD screenScreen resolution: 240*240Screen material Screen: Tempered glass Total strap length: 250mmBattery: 180mAh lithium batteryBattery voltage: 3.7VBattery life: about 3-5 days for normal use, 7-10 days for standby. (Connection to use depends on personal use)Charging time: about 2 hours Features:Steps, sleep monitoring, heart rate, blood pressure, blood oxygen, multi-sport modes, dial selection, stopwatch, reminder Sedentary, Customize Dial, Watch Button, Alarm Clock, Find Phone, Women's Health, Information Display, etc. (available after Bluetooth connection). Languages:: * Android App Support Languages: English, Czech, German, Spanish, French, Italian, Japanese, Korean, Portuguese, Russian, Thai, Simplified Chinese, Traditional Chinese. * iOS app supports languages: English, Chinese, Traditional Chinese, Japanese, Korean, Spanish, German, French, Portuguese, Italian, Russian, Polish. * Watch UI languages: Chinese, English, Russian, Spanish, Japanese, Thai, German, French, Arabic, Italian Polish, Portuguese.