Accessories : chargerBand length[mm] : 230Band width[mm] : 49Weight[g] : 100SIM Card Slot : noVoice assistant built-in : YESBluetooth-compatible Version : 5.0Wi-fi : NoMetrics measured : Heart Rate Monitor,Blood Oxygen Monitor,Sleep Monitor,Blood Pressure Monitor,Blood Sugar Monitor,Stress MonitorActivity Tracked : Other,Steps Tracker,Distance Tracker,Calorie Tracker,Activity TrackerTouch Screen : YESCategory : Smart WatchesApp name : Wearfit ProScreen Material : AMOLEDCPU Model : for Apple Watch IWO Watch 8Band Detachable : YesAPP Download Available : YesBattery Detachable : NoResolution : 485*520Display Size : 2.12Movement Type : ElectronicStyle : SPORTApplication Age Group : AdultScreen Shape : SquareCase Material : AlloyBand Material : Silica gelWaterproof Grade : Professional WaterproofSIM Card Available : NoMechanism : YesMultiple Dials : YesGPS : YesNetwork Mode : NoneBattery Capacity : 220-300mahRear Camera : NoneRAM : 256MBROM : 512mbSystem : Android OS,IOSType : On WristCompatibility : All CompatibleLanguage : English,Russian,Spanish,Polish,Portuguese,Turkish,Italian,French,German,Korean,Japanese,Hebrew,Dutch,ArabicFunction : Passometer,fitness tracker,sleep tracker,Mood Tracker,Message Reminder,Call Reminder,Answer Call,Dial Call,Remote Control,Push Message,24 hour instruction,Chronograph,Alarm Clock,Small Second,Power Reserve,Perspective Window,week,Month,Heart Rate Tracker,Interactive Music,Noctilucent,Calendar,COMPASS,Lighting,Countdown,CalculatorsOrigin : Mainland ChinaCertification : CE,FCC,RoHShk8 pro max : smart watchmen watches : smartwatchconsumer electronics : smart watch menwomen watches : smart watch for menwatch for men : sports watchessmartwatch ultra series 8 : women smart watchesmen smart watch : Always-on displaywatch men : stress monitoringhk8 pro ultra watch : blood sugar smartwatchwatch for women : blood oxygen monitoringsmartwatch smart watch : Hi-Fi voice callingmen smartwatch : NFC smartwatchwatches : Compass