Target User 鈥?Movie stars; 鈥?Office Lady; 鈥?Gingival sensitive; 鈥?Traveller. Specification ProductCordless Professional Water Flosser ModeSensitive, Deep Clean, White+锛孧assage锛孏um. Working Time30 Days 2 times/day, 1 min/time HeadComfortable clean type, Standard clean type, Whitening clean type Highest Pulse1600 /min Maximum Flow80PSI Colour proposalCeramicWhite AuthenticationCE / ROHS / FCC / FDA / IPX7 WaterproofIP X7 Core point of Cordless Professional Water Flosser 鈥?Extreme quiet; 鈥ith Qi protocol (General iPhone, huawei, xiaomi and all other wireless charging transmitter charging devices supporting Qi protocol) wireless charger; 鈥?Unibody minimalist design; 鈥?Extremely simple and luxurious; 鈥?5 modes; 鈥?Long working time Smart and Unique Function 鈥?One key for easy use 鈥?Safety lock protection 鈥?Automatic mode memoryWater Flosser factory website:http://www.odaytoothbrush.com/water-flosser/