Customize Your Oral Care Mode: Our water flossers with unique infinite knob modes, different from the fixed mode of other products. Turn the knob left or right to adjust the water pressure from 200 to 2300 pulses per minute. This knob ensures a personalized cleaning experience, whether you need gentle care for sensitive gums or powerful cleaning for deep cavities. Pocket-Sized Design: This lightweight, cordless, portable. (L:3.8in,W:3.1in)! The water flosser is designed with a retractable water tank and integrated storage nozzle. Compared with similar products, the size and weight are greatly reduced(0.4lbs), making it a great choice for travel size toiletries. Worry-free Travel Use: The water flossers only take charge for 3 hours and enjoy 30 days of powerful use. It also comes with a USB cable which is compatible with adapters or the USB port, such as power banks, laptops, etc. IPX7 Waterproof and 3-Year Durability: Our oral Irrigator are extremely waterproof, allowing cleaning and safe use during showers. Upgraded motor provides more efficient water flow and lifespan, surpassing similar products. Includes with 3 multi-function nozzles for daily cleaning, braces, bridges and gums require gentle care. Keep Improving Use Experience: Our water flosser has Auto Shut-Off protection (After 2 min). The switch position is designed in the middle, unlike other products which are on both sides, causing the water tank to slide down to block the switch when in use.