360° ROTATING NOZZLE&4 REPLACEABLE NOZZLES: 360° rotating Cordless Oral Irrigator can clean mouth from multiple angles; allows you to easily clean areas that are difficult to reach and prevents tooth decay,dental plaque,dental calculus,gingival bleeding and dental hypersensitivity.1 classic tip+1 tongue scraping tip+1 dental plaque tip+1 orthodontic tip 3 MODES CAN BE SWITCHED FREELY：weak: gentle water pressure can be cleaned after eating;Strong: Strong water pressure can deeply clean teeth;Pulse: alternating strong and weak water pressure to clean tartar through high frequency vibration; Deeply Clean Teeth, Whiten Teeth and Improve Gum Health 220ML DETACHABLE WATER TANK&EASY TO CARRY：220ML large capacity water cup meets the one-time cleaning dosage, the water tank is detachable, easy to fill and clean; the nozzle can be put into the water cup to work travel to carry at any time(9.44''X2.28'') and place to maintain oral hygiene PORTABLE & CHARGING VIA USB：Cordless Oral Irrigator and lightweight,great for holding.The rechargeable portable oral irrigator can be used continuously for 25 days after only 4 hours after a full charge. The USB plug is suitable for various charging devices, such as mobile power supplies, computers, laptops, very convenient for home or travel. EASY TO OPERATE：1- Select the nozzle and insert it into the fuselage; 2- Rotate the water tank to remove it from the fuselage;3- Pour clean water or mouthwash into the water tank;4- Select the desired gear and align the nozzle between the teeth.It takes time to become healthy and beautiful！