For vibration, hold + for 2 seconds to turn on. To increase vibration, click +. Click again to increase the intensity. After the fifth vibration level, continue to click + for the 5 pulse patterns. To return to the previous level or pattern, click -. To turn off, hold - for 2 seconds. To charge, whether in or out of the box, please place the charging dock directly over the buttons. The dock and buttons must be aligned and the light will flash when charging. When fully charged the light will stay on , until the charging dock is removed form the buttons. We recommend using only water-based lubricants. For cleaning, we recommend washing in warm soap and water.