Product Name: Oxygen Injection Instrument Product Material: ABS + PC Features: Nano Water Molecules: 0.3mm fine needle decomposes water into 5-200 nano molecules Essence molecules spread instantly for better absorption Nutritional SPA for the Skin: Add different skincare water or mineral water with metasilicic acid Long-term use can make the skin shiny, white, and delicate High Pressure Technology: 160kpa high pressure to unblock skin channels Pores quickly absorb nutrients for maximum effect Charging Time: 2 hours Battery Capacity: 800mAh Gear: 1 gear Rated Power: 5W Water Tank Capacity: 40ml Charging Voltage: DC7.4V/1A Product Size: 195 x 94 x 40 mm Net Weight: 159 g Control Mode: Button control Charging Interface: USB Type-C