Band length[mm] : 240 Band width[mm] : 22 Voice assistant built-in : YES Bluetooth-compatible Version : 5.0 Wi-fi : no Metrics measured : Heart Rate Monitor,Other,Blood Oxygen Monitor,Sleep Monitor,Blood Pressure Monitor Activity Tracked : Other,Steps Tracker,Distance Tracker,Calorie Tracker,Activity Tracker Touch Screen : YES Category : Smart Watches App name : RDFIT Screen Material : IPS CPU Model : smart watch Band Detachable : Yes APP Download Available : Yes Battery Detachable : No CPU Manufacturer : MediaTek Resolution : 454*454 HD touch screen Display Size : 2.0 Movement Type : Electronic Style : Fashion Application Age Group : Adult Screen Shape : Square Case Material : Precious Metals Band Material : Silica gel Waterproof Grade : Professional Waterproof SIM Card Available : No Mechanism : Yes Multiple Dials : Yes GPS : Yes Network Mode : None Battery Capacity : 220-300mah Rear Camera : None RAM : 128MB ROM : 128MB System : Android Wear,Proprietary OS,Android OS,IOS Type : On Wrist Compatibility : All Compatible Language : English,Russian,Spanish,Polish,Portuguese,Turkish,ITALIAN,French,German,Norwegian,Korean,Japanese,Ukrainian,Hebrew,Dutch,Arabic,Greek Function : Passometer,fitness tracker,sleep tracker,Message Reminder,Call Reminder,Answer Call,Dial Call,Remote Control,Push Message,Altitude Meter,Tourbillon,Big Three Needles,24 hour instruction,Chronograph,Alarm Clock,Small Second,World Time,Permanent Calendar,Power Reserve,GMT Two Places,Perspective Window,week,Phase of the Moon,Speed Measurement,Month,Heart Rate Tracker,Interactive Music,Noctilucent,Thermometer,Calendar,Countdown,Calculators