Features:Real IP68 WaterproofReal IP68 depth waterproof, using military-grade materials and craftsmanship ingenuity; The internal body uses the self-circulation exhaust function, so that the internal pressure of the machine is always maintained at one atmosphere, to ensure the normal operation of the movement, easily adapting to various environments.Actual test support 27 meters waterproof.Stable BT Call & ConnectingMille using the RTL8763EW chip, which is single-core and dual-mode. It only need to connect to the phone one timeand you can use BT calling and play the music, easy to use.Health MonitorAccurately record your heart rate, blood pressure, blood oxygen and sleep data, helping you adjust yourself for a healthier lifestyle.Fitness Activity TrackerThe activity tracker supports motion modes with comprehensive recording of exercise data. Let you exercise more scientifically.Smart ReminderAfter connected to the phone, it will provide synchronous display of message, call or social APP to remind you of important information.Long-Lasting Battery LifeWith built-in low power consumption BT chip, sensor and 520mAh rechargeable battery life, it offers 15-20 using days, and 75 standing days.Multi-Language Supportedkinds of languages are supported to meet different language users' needs.User-Defined Watch FacesAbundant preset dials meet diverse needs of users. You can switch them freely.Parameters:Screen: 1.91-inchResolution: 320*385 pixelsBT: BLT5.3Compatibility: Android 5.0 and above or iOS 9.0 and aboveBattery Capacity: 520mAhWorking Time: 15-20 daysStandby Time: 75 daysApp: Da FitLanguage: English, Simplified Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Traditional Chinese, Ukrainian, Italian, Portuguese, Dutch, Polish, Swedish, Finnish, Denmark, Norway, Hungary, Czech, Bulgaria, Romania, Slovakia, Latvia, Indonesian, Thai, Turkish, Vietnamese, Hindi Pashto, Estonian, Slovenian, Croatian, Greek, Filipino, Hebrew, Malay, Serbian, PersianSpecifications:Brand: RobgidModel: MilleMaterial: Zinc Alloy+ PlasticColor: Black / Sand GoldOptionWater-Resistant Level: IP69KDial Size: 49.78 * 44 * 13mm Dial Thickness: 18mmStrap Width: 24mmItem Weight: 62g / 2.18ozPackage Size: 9.5 * 9.5 * 6.8cm / 3.74 * 3.74 * 2.67inPackage Weight: 172g /6.06ozNote:* Please read the user manual carefully before use.* There may be 1-3mm error due to manual measurement.* There may be slight difference in color due to shooting angle and light. Please refer to the real object.* Do not take a shower with the watchor use it in the sauna room, the high temperature environment will destroy the waterproof glue.Package List:1 * Smart Watch1 * Charging Cable1 * User Manua