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 on the bottom of the product. 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 power button for 3 seconds. To cycle through speeds and pulsing patterns, push power button. To turn off, hold power button for 3 seconds. To use the bullet with the c-ring, insert bullet through the opening in the top of the c-ring. Wash before and after each use. For best results, use Cleansing Mist.