Electric Dental Water Flosser - Cordless Portable Oral Irrigator Rechargable with 3 Operation Modes and 4 Rotatable Jet Tips for Braces and Teeth Whitening (white) THROUGHLY ORAL HYGIENE - The pressure of water pick provides 40-90 PSI with 1400 pulses per minute, high-pressure pulse water column makes it faster and more thorough cleaning on teeth stain, slit dirt, dental plaque and bacteria below. Four colorful & 360rotatable jet tips help to prevent teeth decay, tartar, bad breath, gum bleeding and sensitivity.