Watch Head Head Size:46.8*39*13.3mm Band width:22mm Screen Size:2.19 inch IPS Resolution:485*520 Screen touch:Full Touch Front Shell:brilliant plating Zine-alloy Back Case:IML Straps:silica gel Number of keys:two buttons (1 side button, 1 Rotate button) CPU:B3218/8918F G sensor:SC7A20E HR sensor:Tianyi Hexin HSR3300 BT version:5.0(LE+Basic) shake:Flat motor Battery:200mAh lithium battery Standby Time:10-15day Working Time:3-5day...