Waterproof Smartwatch men or women +Box New Bluetooth Answer Call Smart Watch Men Full Touch Dial Call Fitness Tracker IP67 Waterproof Smartwatch men women +Box Bluetooth version: BT5.0 Heart rate sensor : Tianyi Hexin HX3605 Pedometer Sensor : Silan Micro SC7A20 Size: 1.69 inch Resolution: 240*280 Touch: full screen touch Physical button: one Capacity: 200m...