Suction on your command!Vacuum control at your fingertips!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!While there have been electric pumps in the past, none have allowed you to experience pleasure at the same time quite like the Vacuum Controller attachment for the Original Vacuum CUP Series!The TENGA Vacuum Controller is comprised of:- Vacuum Control Unit- Regular adapter- UltraSize adapterBoth adapters come with the product so the user can use the appropriate adapter for the CUP he has!The TENGA Vacuum Controller is compatible with all styles of the TENGA Original Vacuum CUP that feature the Vacuum Controller Compatible sticker!Compatible items:- Original Vacuum CUP- Original Vacuum CUP COOL- TENGA~Keith Haring Original Vacuum CUP- EU.S. Original Vacuum CUPNote:- Not compatible with AIR-TECH- Not compatible with non-TENGA products.Running time: approx. 70 min / 4x AAA batteries (not included)