Band length[mm] : 185 Band width[mm] : 20 Weight[g] : 45 Voice assistant built-in : no Bluetooth-compatible Version : NONE Wi-fi : YES Metrics measured : Other Activity Tracked : Other,Steps Tracker Touch Screen : YES Category : Smart Watches App name : SeTracker2 Screen Material : IPS CPU Model : ASR3603 Band Detachable : Yes Battery Detachable : No Resolution : 240*280 Display Size : 1.85 inches Style : SPORT Application Age Group : Child Screen Shape : Square Case Material : Plastic Band Material : Silica gel Waterproof Grade : Life Waterproof SIM Card Available : Yes Mechanism : No Multiple Dials : Yes GPS : Yes Network Mode : 4G Battery Capacity : >450mAh Rear Camera : 0.3MP RAM : 128MB ROM : 128MB System : Proprietary OS Type : On Wrist Compatibility : All Compatible Language : English,Russian,Spanish,Polish,Turkish,ITALIAN,French,German,Dutch Function : Passometer,Message Reminder,Call Reminder,Answer Call,Dial Call,Push Message,24 hour instruction,Chronograph,Alarm Clock,World Time,Permanent Calendar,Power Reserve,week,Month,Calendar,Countdown,Calculators Certification : CE Charging type : Magnetic Charging Support area : Asia, Europe, Africa ROM : 192MB Support Wifi : used for location