The Wireless Power Harness is the most versatile harness available.  Patented self-contained motor  Ergonomically curved shaft  Resonating vibrations throughout  Totally wireless  Push button control with 3 speeds  Harness is fully adjustable to 50"/127 cm waist  Soft, comfortable waist and thigh straps with secure snaps  PVC (dong) PU (harness)  3 AAA batteries 11.50 inches long and 4.84 inches wide