Gorgeous 2.5D IPS screen with 175 curved surface30 meters water-resistant design, meet daily waterproof needsSupport all-day heart rate monitoring (Abnormal Heart Rate Alert)Support blood pressure monitoring, care about your healthBuilt-in 10 goal-based sports mode:Support steps tracking, calorie burn tracking, daily steps goal, real-time pace & distance recordingFeaturing female physiological cycle tracker, convenient physiological cycle managementSupport sleep monitoring, help improve sleep qualityOther function: Goal Celebrations, Reminders To Move, Smartphone Notifications, One-click Reject/Mute, Weather Forecast, CountDown & Stopwatch, Alarm Clock, Multi-watch Faces, Find Phone, Turn Wrist Detection, Music Control, Shake Take PhotoSpecification:SpecModelZeblaze GTRBluetooth VersionBluetooth 5.1ChipGoodix GR5515Water-resistant30 metersScreen Size1.3 inchScreen type2.5D Glass + IPS Full Round Color Touch ScreenCompatible OSAndroid & iOSCompatabilityAndroid 4.4 / iOS 9.0 and above systemAPPH BandAPP LanguageEnglish, Portuguese(Brasil), Portuguese, Russian, Spanish, Italian, French, German, Turkish, Czech, Polish, Thai, Japanese, Korea, Persian, ArabicMessage Push LanguageChinese, Japanese, Korean, Latin, Cyrillic; Latin includes: (English, French, Spanish, Portuguese, German, Dutch, Vietnamese, Northern Europe, Central Europe, Southern Europe Italian, Southeast Asia, Africa); Siri Irvine includes: (Russian, Eastern Europe, Asia), covering 150 countriesSensorHeart-rate sensor, Proximity sensor, Accelerometer.BatteryType of batteryLithium polymer batteryBattery Capacity:180 mAhStandby time30 days (Power-saving Scenario); 18 days (Typical Usage Scenario)Charging timeAbout 1.5 hoursAlert typeVibrationDial and BandCase materialMetal BodyBezel material2.5D GlassBand materialSilica GelWeight and SizeDial size45*45*11.6mmProduct weight51 gPackage included:1 x Smart Watch1 x Multi-language User Manual