?IPX7 Waterproof/Anti-Slip/Low Noise? With IPX7 waterproof rating and non-slip handle design, it can be used safely and comfortably in the shower or bathroom. The noise is quiet at 75 decibels and will not disturb others if used in the morning or late at night. The detachable 170ml water tank can store large amounts of water and can also be refilled through the tank cap, making it easy to fill and clean. ?Wireless Inductive Charging?This oral irrigator adopts advanced inductive charging technology and universal 100-240V global voltage, while the USB cable brings much convenience for your travel. And the latest technology 1400mAh lithium battery, battery life = 30 minutes, more energy saving. ?2 Minutes Intelligent Timing?This oral irrigator is equipped with a timing protection system, it will automatically shut down after 2 minutes of standby, so you don't have to worry about forgetting to shut down after use and consume electricity. ?3 Cleaning Modes?Normal, Gentle and Pulse modes can meet different oral care needs, and the memory function can record the mode you use, so you don't have to adjust it next time. Choose the comfort mode that best suits your needs. Gentle mode is recommended for first-time use. ?Professional and Effective Clean Oral Care?Oral Irrigator is the easiest and most effective way to clean your teeth. 30-90 PSI water pressure, 1400 high pressure pulses per minute, can effectively remove up to 99.9% of plaque in the treated area as well as food particles deep in the gums, thereby improving gum health.