Robin is a masturbator equipped with an ultra-soft, textured sleeve and an ergonomic sturdy case designed to stimulate the penis. The soft and flexible sleeve fits all penis sizes, is detachable and easy to clean for maintenance and storage. A LED display shows the battery level and the 5 different vibration modes, designed to impress the user with a perfect combination of movement and power. In addition to the 5 vibration modes, Robin also features a unique BOOST mode to experience an intense feeling in a second. 5 unique vibration modes1 BOOST mode for an ultimate ecstasyLED display for battery level and vibration modeCharging time 2 hoursUsing time 2.5 hours