Features:[Health Monitor] Automatically monitor and record your heart rate, blood pressure and sleep data, helping you adjust yourself for a healthier lifestyle.[Fitness Activity Tracker] Feature 8 multi sport modes, which provides reference data for your daily health analysis and improvement.[Smart Reminder] After connected to the phone, it will provide synchronous display of message, call or social APP to remind you of important information.[IP67 Waterproof] Can be worn while washing hand or in rain (only for water splashing), easily adapting to various environment.[User-Defined Watch Faces] Various stylish dials can be switched freely. You can also set your photos as wallpaper.[More Functions] Remote camera, Music control, Weather, Alarm clock, Sedentary reminder, Drinking water reminder, etc.Parameters:Screen: 1.28-inch full-touch screenBT: 4.0Compatibility: Android 4.4 and above or iOS 9.0 and aboveBattery Capacity: 180mAhStandby Time: 25 daysApp: DIRI FITWatch Language: Chinese, English, German, Spanish, Japanese, French, Italian, Russian, Portuguese, Thai, DutchAPP Language: Chinese, English, German, Spanish, Japanese, French, Italian, Russian, Portuguese, Thai, DutchSpecifications:Model: M37Case Material: Zinc Alloy + GlassStrap Material: TPUColor: BlackWater-Resistant Level: IP67Strap Width: 21.5mmStrap Length: 265mmPackage Size: 273 * 72 * 31mm / 10.75 * 2.83 * 1.22inPackage Weight: 173g / 6.1ozPackage List:1 * Smart Bracelet1 * Charging Cable1 * User Manual