Efficient Cleaning: Our product boasts a powerful 1400rpm cleaning capability to effectively remove food residues and bacteria in the mouth, providing a deeper level of cleanliness. USB Charging & Portable Design: Comes with a built-in rechargeable battery, and convenient USB charging ensures power anywhere. Lightweight and portable, this dental water flosser is easy to carry whether you're at home or traveling. DIY Mode & Multifunctional Tips: The DIY mode allows you to adjust the water flow according to your needs. Comes with four differently functional tips to meet a variety of dental cleaning needs. 220ml Large Capacity & IPX7 Waterproof: With a 220ml large capacity water tank to meet your single dental cleaning needs. The IPX7 waterproof rating allows you to use it in a moist environment like the bathroom without worrying about splashing. Promotes Oral Health & Teeth Whitening: Regular use can effectively prevent oral diseases, maintain oral health, and assist in teeth whitening.