Accessories : charger Band length[mm] : 220 Band width[mm] : 22mm SIM Card Slot : NO Voice assistant built-in : YES Bluetooth-compatible Version : 5.2 Wi-fi : no Metrics measured : Heart Rate Monitor,Other,Blood Oxygen Monitor,Sleep Monitor,Blood Pressure Monitor,Stress Monitor Activity Tracked : Other,Steps Tracker,Distance Tracker,Calorie Tracker,Activity Tracker Touch Screen : YES Category : Smart Watches App name : COFIT Screen Material : AMOLED CPU Model : 7012A6S Band Detachable : Yes APP Download Available : Yes Battery Detachable : No CPU Manufacturer : Mediatek Resolution : 466*466 Display Size : 1.43 inch Movement Type : Electronic Style : Fashion Application Age Group : Adult Screen Shape : Round Case Material : Alloy Band Material : Steel Waterproof Grade : Professional Waterproof SIM Card Available : No Mechanism : Yes Multiple Dials : Yes GPS : No Network Mode : None Battery Capacity : 220-300mah Rear Camera : None RAM : 256MB ROM : 256MB System : Android Wear,Proprietary