Specification:  Item Name: Intelligent Oral Irrigator  Rated Voltage: 3.7V  Charge Time: 2-3 hours  Adjustable Gear: 5Modes  Battery Capacity: 2200mAh  Pulse Frequency: 1600-1800 times per minute  Rated Power: 5W  Rated Water Pressure: 40-140psi  Waterproof : IPX7  Water Tank capacity: 330ml    Features:  1. High-frequency silent pulse technology (1600-1800 times per minute), 0.6mm water column depth, 360° rotatable nozzle, which can clean the mouth deeply in all directions and wash away food residues.    2. Five cleaning modes: standard, gentle, pulse, sensitive, burst, 4 nozzles, suitable for different tooth conditions, to meet your cleaning needs.    3. This dental flusher can effectively clean your teeth, freshen your breath, remove plaque, tartar, yellow teeth, bad breath, smoke stains, and help improve your oral condition. It is an indispensable helper for oral care.    4. Equipped with a 330ml large-capacity detachable water tank to meet the water volume required for a single cleaning without the need to add water again.    5. 2200mAh battery, short charging time (2-3 hours), long battery life (more than 50 days), making it more convenient for oral cleaning during travel or business trips.    6. The charging time is short (2-3 hours), and the battery life is long (more than 50 days), Large smart display, one-key intelligent switching of cleaning mode, convenient and quick operation.    7. The whole machine has a waterproof design (IPX6 waterproof), which is convenient for cleaning the dental flusher and can be used in the shower.