* 44MM standard 1:1    
1. Chip: MTK2503AVE    
2.Display: 1.54" IPS, Resolution 240*240    
3. Track positioning: support Beidou and GPS    
4.Bluetooth: 4.0 BLE    
5. Charging mode:magnetic wireless charging  
6. Waterproof: IP67 
7. Software specification: Nucleus
8. Function: Dialing bluetooth dialing,Two-way call,synchronizes phone message,sync phone book,synchronizes phone call logs,transmits audio/synchronous motion data, bluetooth plays audio files from the phone,Anti-theft alarm,History track APP to view the track of movement,Step counting function combined with GPS movement data analysis accurately calculate calories, speed, mileage and other data,Sports analysis supports walking, running, cycling, mountaineering and other sports analysis,Heart rate, blood pressure accurate calculation, low error,alarm clock,Calendar,Sleep monitoring,Sedentary reminder,Remote photo,Remote notification .