The TENGA Vacuum Controller allows you to manipulate vacuum pressure inside TENGA CUP Series items through a simple button-press! This simple item will allow you to experience suction while simultaneously providing stimulation! The TENGA Vacuum Controller is comprised of a Vacuum Control Unit, Regular Adapter and Ultra Size Adapter. The user can use the appropriate adapter for the CUP he has. The Vacuum Controller houses a powerful Diaphragm Motor, which can be switched ON and OFF for incredible suction. There is also a Release Valve to release the built - up vacuum pressure. By using both of these buttons, the user can control the vacuum pressure. The TENGA Vacuum Controller is compatible with all styles of the TENGA Original Vacuum CUP that feature the “Vacuum Controller Compatible” sticker. Bonus Free Cup Free with $250 worth of Tenga. 1 per store / year.