The three button control panel allows you to precisely control the stimulation. One button controls eight speed variations, a second controls eighteen different pulsating vibrating patterns , and a third powers the wand on and off. Enjoy soothing vibrations anywhere you go with this cordless rechargeable massager. Powered by a whisper-quiet motor and rechargeable battery. Use it in the bath or shower for the ultimate therapeutic results, as this wand is covered in luxuriously soft 100% medical grade silicone and is completely waterproof.