This product arrives partially charged. Before use, charge completely. To charge product, use USB power cord provided and insert charging pin into the circular indentation between the “+” button and the DC marking. Lights will illuminate and flash while product is charging. Number of lights illuminated reflects current battery power level. When product is fully charged, lights will stop flashing and remain illuminated. To turn on, hold the “+” button for 3 seconds. Lights will illuminate to indicate product is on and in standby mode. To cycle through vibrating speeds and pulsing patterns, push the “+” button to advance to the next function, and push the “-“ button to return to previous function. To turn off, hold the “-“ button for 3 seconds. Lights will turn off to indicate product is off. To preserve battery life, ensure product is turned off when not in use. The lights will flash rapidly when current battery power is low. Wash before and after each use. For best results, use Cleansing Mist.