Features: [Health Monitor] Automatically monitor and record your heart rate, blood pressure and blood oxygen data. Let you know your health condition any time and anywhere. [Sleep Monitor] Automatically record your sleep duration to analyze your sleep quality. Help you adjust your rest time for a better sleep quality. [Multiple Workout Modes] Support 6 kinds of sports modes, such as walking, running, cycling and so on, meeting your different exercise needs. [Smart Reminder] Provide synchronous display of message, call or social APP to remind you of important information. [Multi-Language Supported] 20 kinds of languages are supported to meet different language users’ needs. [User-Defined Watch Faces] Abundant preset dials meet diverse needs of users. You can also customize your watch dial from mobile phones. [IP67 Waterproof] Can be worn while washing hand or in rain, easily adapt to various environment. [More Functions] Steps, Distance, Calories, Alarm Clock, Remote camera, BT music, Airplane game, Weather, Stopwatch, Calculator, Drinking water reminder, Sedentary reminder, Raise to wake, Find the phone, etc. Parameters: Screen Size: 1.3 inches Resolution: 240*240 pix BT: 4.0 Compatibility: Android 4.4 and above or iOS 8.2 and above Battery Type: Polymer Lithium Battery Battery Capacity: 180mAh Charging Voltage: 5V / 180MA Working Time: 7-8 days (normal use) Standby Time: 90 days App: Q Watch Language: Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Romanian, Portuguese, Arabic,Greek, Dutch, Polish, Turkish, Vietnamese, Thai, Indonesian.