Features : – It works for 90 seconds after booting, and the product has its own memory function.- Three modes: pulse, soft, normal mode, frequency conversion cleaning.- 0.6mm ultra-fine pulsed water jet penetrates deep into the teeth to effectively remove stubborn stains. The pulse is strong and weak, and massages the gums comfortably.- The whole machine is IPX7 waterproof, it can be used for bathing, and you can wash it without fear.- The 160ml portable water tank can clean the entire oral cavity at one time and meet the needs of a single tooth cleaning.- 1100m - Ah large-capacity battery, it only takes 2 hours to fully charge, large-capacity and stable battery life. Specifications : MaterialABS+PCColorPink/WhiteVoltageDC 3.7VBattery Capacity1100mAhWater Pressure2-140PSINoise Level<68 d - BWater tank capacity160ml - Charging Way - Type-CCharging Indicator - Slow FlashingWaterproofIPX7Net Weight22.5g - Product Size - Length: 141.70 mm (Closed) 213.53 mm(Tract) Width: 59.58 mm Thickness: 45.68 mm Package Included : 1 x Main Body4 x Nozzles1 x Type-C Cable