n infinite range of vibrating and pulsating action including vibration, pulsation, surging and escalation. Ultra sensitive control pads and a quick response on/off button. This vibrating bullet truly has a mind of its own. With seven exhilarating functions, all you have to do is sit back and enjoy the pleasure. Select any of the hypersonic programs from the ultra-sensitive control pad, including low vibe, medium vibe, high vibe, escalate, low pulsate, high pulsate, or a combination of the above. This little sex toy is really innovation in motion! Made using phthalate free, non-toxic materials: ABS plastic with silver plating. Vibrator measures 2.5 inches long by 1 inch wide. Requires 4 AA size batteries, not included.