Accessories: noneBand length[mm]: 20Band width[mm]: 265Weight[g]: 37gSIM Card Slot: noVoice assistant built-in: NoBluetooth-compatible Version: 5.1Wi-fi: NoMetrics measured: Heart Rate Monitor,Other,Blood Oxygen Monitor,Sleep Monitor,Blood Pressure Monitor,Blood Sugar Monitor,Body Temperature MonitorActivity Tracked: Other,Steps Tracker,Calorie Tracker,Activity TrackerTouch Screen: YESCategory: Smart WatchesApp name: H bandScreen Material: TFTCPU Model: GOODIX5515Band Detachable: YesAPP Download Available: YesBattery Detachable: NoResolution: 200*320Display Size: 1.57Movement Type: ElectronicStyle: HealthyApplication Age Group: AdultScreen Shape: SquareCase Material: AlloyBand Material: Silica gelWaterproof Grade: Life WaterproofSIM Card Available: NoMechanism: YesMultiple Dials: YesGPS: NoNetwork Mode: NoneBattery Capacity: 180-220mAhRear Camera: NoneRAM: <128MBROM: <128MBSystem: Android OS,IOSType: On WristCompatibility: All CompatibleLanguage: English,Russian,Spanish,Portuguese,Italian,French,German,JapaneseFunction: Passometer,fitness tracker,sleep tracker,Message Reminder,Call Reminder,Push Message,Alarm Clock,World Time,Permanent Calendar,week,Month,He MIATA Non-invasive Blood Glucose ECG Smart Watch Heart Rate 24-hour Automatic H