The Nobu Sumo. Exclusive sound-sensitive Sound Response System, increases vibration intensity as ambient sound / music is detected by built in sensor during use. Longer and thicker, measuring 9.5 inches by 1.75 inches, the SUMO is constructed of top quality, odorless, body friendly silicone. Luxurious soft, silky, seamless finish on shaft and clit-stem. Quiet 2-motor system: 1 in shaft tip and 1 in the clitoral stem. Choice of 10 vibration levels activated via push button. Splash-proof and rechargeable via USB connection or A/C power supply. The heavy duty Li-ion battery allows for up to 3 hours between charges. Materials: medical grade Silicone shaft, ABS plastic base, handle. Sound Response System, clit-stem vibe. The most powerful clitoral bullet on the market, 10 levels of vibration, top quality silicone, 2 motors, USB/AC power recharge, 9.5 inches by 1.75 inches, G-spot reach, splash proof.