Size: 71 x 45 x 16mm Material: Zinc Alloy +PC Battery Capacity: 1000mAh Charging Time: 60mins Charging Interface: Type-C Charging Current: 1.0A Cartridge Capacity: 2ml Coil Resistance: 1.0ohm Max Output Wattage: 15W Working Voltage: 3.3-4.2V