The sensual touch vibration transmitter turns your finger into a adjustable level vibrator! Attach the small control unit to your wrist & add the vibration unit to your favorite finger. The ultimate toy since you can tease anyone anywhere or turn your own finger into a great sex toy for yourself. Very quiet. Imaging running your finger over your lover blindfolded & watch them react. Your imagination is the only limit on this neat toy. This item uses 2 AAA batteries. These are supplied with this unit to ensure you can get things going.