?3 Minutes Smart Timer?Dental Oral Irrigator for teeth will automatically power off after working 3 minutes to avoid the user forgetting to turn off the machine,ensures your safety and water dental flosser's lifespan. ?3 Modes and 3 Spray Nozzles . Portable Cordless Water Flosser has 3 modes to meet the needs of soft, normal, and power modes. First-time users and those with sensitive teeth can choose Soft Mode, Normal Mode or Strong Mode Kit for effective cleaning or intensive deep cleaning. ?. This water Oral Irrigator is equipped with 3 nozzles, which can meet your cleaning and replacement needs. ?20 Days of Use?The USB Rechargable Cordless Waterpick will last up to 20 days continuous use after one fully charged,if you use it twice a day for 2 minutes.And equipped with a universal USB Type-C cable, it is convenient to travel, worry-free without charging. ?Cleanable and Removable Water Tank .The tank and nozzle of the Electric Water Dental Picks are made of highly transparent materials, and the dirt in the water tank is clearly visible.The detachable water tank is designed to facilitate the completely clean the water fouling and other dirt in water tank. ?.This Cordless Water Flosser Picks with double-sealing rings, oral irrigator provide the IPX7 waterproof design makes it easy to use the water dental flosser in the bathroom. ?Deeply Clean and Stability Water Pressure?The Portable Water Dental Flosser offers 1900 times/minute high-frequency and high-pressure stability water pulse. The diameter of the nozzle mouth is as small as 0.6MM which can easy cleaning between teeth,effectively wash away bacteria and food residues that traditional brushing and flossing can't reach.