Q8 OLED Color Screen Smart WatchFunction: Passometer,Sleep Tracker,Heart Rate Tracker,Tourbillon,24 hour instruction,Fitness Tracker,Message Reminder,Power Reserve,Push Message,Alarm Clock,Remote Control,Month,Week,Call Reminder Language: Portuguese,Spanish,English,German,Japanese,Greek,Korean,Russian,French Compatibility: All Compatible Type: On Wrist System: None ROM: <128MB RAM: <128MB Rear Camera: None Battery Capacity: 120 180mAh Network Mode: None GPS: No Multiple Dials: Yes