Bodispa Mini Deluxe Pocket Massage is a travel size for maximum discretion. Soft touch. Make it your best little friend and take it everywhere. Waterproof vibrations. Wireless operation. Vibrating sex toy requires 6 LR44 batteries, included. Massager measures 4.5 inches long by 1 inch wide. ** Note package error, The packaging says 2 double AA batteries but, when you open it there are 6 LR44 batteries, there is a sleeve that needs to be removed and the 6LR44 batteries placed back in to get the unit to work.