Brand Name : VOARCH Function : Passometer Function : Alarm Clock Function : Calculators Function : Fitness Tracker Function : Message Reminder Function : Call Reminder Language : Russian Language : Portuguese Language : Spanish Language : English Language : German Language : Italian Language : French Compatibility : All Compatible Type : On Wrist System : None ROM : <128MB RAM : <128MB Rear Camera : None Battery Capacity : >450mAh Network Mode : None GPS : No Multiple Dials : No Mechanism : No SIM Card Available : No Waterproof Grade : Professional Waterproof Band Material : Silica Gel Case Material : Alloy Screen Shape : ROUND Application Age Group : Adult Style : SPORT Movement Type : Electronic Display Size : 1.24inch Resolution : none Battery Detachable : No APP Download Available : Yes Band Detachable : No CPU Model : CR2450 Function : stopwatch