Brand from China: HOMTEC. Features:Deep Clean Teeth: 4 professional water flow settings. Tumhorn oral irrigator provides 1600-1800 pressure water pulses/min and adjustable psi from 20-140 psi. Water dental floss can remove food residue hidden deep in the teeth, effectively massage the gums, and promote blood circulation. Clean your teeth.IPX7 waterproof and 300ml tank: 300ml water tank design can easily meet your single cleaning needs. The water tank is removable and easy to clean. The Water Dental Oral Irrigator reliably prevents water leakage and can be used for showers in the bathroom.Powerful Battery Life: Cordless water dental flosser for cleaning teeth with powerful and eco-friendly lithium battery. It takes 4 hours to fully charge and can be used continuously for about 50 days. Comes with a USB cable (adapter not included) that supports various charging devices.Portable design for travel: Cordless and lightweight. This water tea screener comes with 6 replacement jet tips for multiple