The Kiotos-Vibez Viento is an inflatable Vibrator for anal use for him and her. There are 7 speeds of vibration, when you turn the vibrator on you also activate the inflation function, so it automatically gets smaller and bigger with different settings.Full Silicone for safe sex and super smooth income.Great for prostate massage for men.Easy to operate, turn on with the bottom button and the top controls the vibration and inflation function. Rechargeable. Easy operation, turn on the Viento with the lower button, the upper button controls the vibration and inflation function. This prostate vibrator is rechargeable.