Now you can target those tight spots and indulge in relaxation! Simply place the soft silicone ring around your finger and adjust the variable speed control. Position the tip on that special spot and allow the vibrating pulses to work their magic. Tension fades away as the sensitive area is completely satisfied. Finger Fun is fully waterproof, making it ideal for use in the shower, bath, or hot tub. Show someone you care... Try it on a loved one! Requires 3 LR44 / AG13 (1.5V) batteries (included).