· 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· 6"" x 1.5"" /15 cm x 4 cm (dong)