Voice assistant built-in: no Bluetooth-compatible Version: NONE Metrics measured: Other Activity Tracked: Other Category: Smart Watches Resolution: 360*360 Display Size: 1.32inch Movement Type: Electronic Style: SPORT Application Age Group: Adult Screen Shape: Round Case Material: Alloy Band Material: Silica gel Waterproof Grade: Life 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,Android OS,IOS Type: On Wrist Compatibility: All Compatible Language: English,Russian,Spanish,Polish,Portuguese,Turkish,ITALIAN,French,German,Norwegian,Korean,Japanese,Hebrew,Dutch,Arabic,Indonesian,Greek Function: Passometer,sleep tracker,Message Reminder,Call Reminder,Answer Call,Dial Call,Push Message,Big Three Needles,24 hour instruction,Alarm Clock,Small Second,World Time,Heart Rate Tracker,Interactive Music,Thermometer Brand Name: Vesmatity Origin: Mainland China Certification: CE touch mode: full touch usage time: About 3-5 days Standby time: About 10-15 days charging time: about 2 hours Charging voltage: DC 5V App supports mobile phone system: Ios8.0 and Android5.0 Function 1: Offline payment Function 2: weather push Function 3: Sedentary reminder Function 4: menstrual cycle reminder Function 5: mileage and calorie consumption Function 6: Blood pressure blood oxygen monitoring Function 7: Find a watch APP: DAFit Function 8: custom watch face