Patented Erisonic infuses vibrating pulsating cleansing with a harmonic blend of function and form. It's time to think beyond the washcloth and elevate cleansing to a sonic level. Traditional methods of cleansing doesn't get your skin as clean as you'd think. Modern sonic method of cleansing may cause excessive action on the skin for some people. But Erisonic uses vibrating pulsating technology, human body simulation technology to simulate anesthetic massage methods. FEATURES - 3 different modes x 5 levels of intensity makes 15 different cleansing and massaging waveforms to meet almost every one's need; A battery level indicator; A base charger plugged into the wall outlet; Charging/Drying Stand; International Travel AC Charger 110V – 240V; Completely Waterproof - Can submerge in water; LCD screen with backlit, user friendly for young or old, men or women. FEATURES - There is five levels of intensity adjustable. When you press the intensity button, default in intensity level 1 for sensitive skin, press the intensity button to intensity level 2 for normal skin, to intensity level 3 for deep pore skin, to intensity level 4&5 for body skin. Keep pressing the intensity button, the intensity level rotates from five to one. When you press the mode button, it changes the three types of cleansing/therapeutic modes on the clear LCD backlit screen. EFFECTIVE - Erisonic's patent vibrating pulsating technology works with skin's natural elasticity to gently remove impurities.