Deep CleaningThe water tooth cleaner removes 99.99% of deep-buried food residue with 1400-1800 pulses per minute and strong water pressure of 20-110 PSI, massaging teeth. 5 Different Floss ModesLow/Medium - Gentle pressure to clean sensitive teeth. High - Strongly promotes deep cleaning of plaque. Pulse - Deep cleans and massages teeth with 50-100 psi water pressure. Custom - Freely choose the cleaning mode. When flossing for the first time, please select the low mode. Unique Custom ModeThe custom mode has 5 water pressures (20-40-60-80-100PSI), you can choose the cleaning mode that suits you according to your teeth. Long press the power button to switch modes every 4 seconds. No longer limited to the cleaning mode that is not suitable for you, it provides you with a comfortable cleaning mode. With a memory function, you only need to set it once, and it can be used next time you restart it. Detachable 300 Water Tank 360 Rotating Water Spray TipThe large 300ml water tank provides enough uninterrupted flossing. The portable water flosser comes with 6 free tips for replacement or home use. (4 standard nozzles for daily cleaning; 1 periodontal nozzle can clean gums and reduce gum problems; 1 orthodontic nozzle is suitable for orthodontics.) Suggestion: It is recommended to replace it every 3 months. Battery Rechargeable & IPX8 WaterproofUSB rechargeable oral irrigator with built-in powerful lithium battery, it only takes 4 hours to fully charge and can be used for 25 days. Comes with a USB cable (without an adapter), suitable for various charging devices such as mobile power, computers, and laptops. The IPX8 waterproof rating makes flossing safe in the bathroom shower too. Comes with a pouch for easy portability on the go.