Voice assistant built-in:No Bluetooth-compatible Version:5.0 Metrics measured:Heart Rate Monitor,Blood Oxygen Monitor,Sleep Monitor,Blood Pressure Monitor Activity Tracked:Steps Tracker,Distance Tracker,Calorie Tracker,Activity Tracker Touch Screen:YES Category:Smart Watches App name:FitCloudPro Screen Material:TFT CPU Model:Realtek 8763EW Band Detachable:Yes Battery Detachable:No Resolution:360*360 pixel Display Size:1.39 inch Style:fashion Application Age Group:ADULT Screen Shape:Round Band Material:STAINLESS STEEL Waterproof Grade:Life Waterproof SIM Card Available:No Mechanism:No Multiple Dials:Yes GPS:No Network Mode:None Battery Capacity:300-450mah Rear Camera:None RAM:128MB ROM:128MB System:Android Wear Type:On Wrist Compatibility:All Compatible Language:English,Russian,Spanish,POLISH,Portuguese,Turkish,Italian,French,German,Dutch Function:Passometer,fitness tracker,sleep tracker,Message Reminder,Call Reminder,Answer Call,Dial Call,REMOTE CONTROL,Push Message,24 hour instruction,Chronograph,Alarm Clock,week,Heart Rate Tracker,Interactive Music,Countdown,Calculators Origin:Mainland China Certification:CE,dot,EAC,EPA,FCC,GMP,RoHS,TGA,UL,KC,pse,weee,MIC,BQB,NCC,SRRC,PRO65,TPCH,BPA,CEC,DOE,fda,CPSC,Reach