Be smarter with Titan by Enlarge. 3 exercise modes with one click of a button, Titan is easy to operate. Luxuriate in its powerful suction envelope with a supple TPE masturbator sleeve and silicone donut. Rechargeable. Press and hold power button for 3 seconds to turn on/off. Quick press power button to activate suction mode. Press center button to release air pressure. To activate "smart" mode press power button to reach desired suction. Once desired suction has been reached, press bottom button. Quick press bottom button to cycle through "smart" modes. Insertable inches - 8.03".