This product arrives partially charged. Before use, charge completely. To charge product, use USB adapter provided and insert charging pin into the circular indentation above the DC marking. Light will illuminate and flash while product is charging. When product is fully charged, light will stop flashing and remain illuminated. To turn on, hold button for 3 seconds. To cycle through vibrating speeds and pulsing patterns, push button. To turn off, hold button for 3 seconds. Wash before and after each use. For best results, use Cleansing Mist.