Designed with the first time user in mind. Simple. easy-to-use Jack Rabbit soft supple head. Flickering bunny ears2 speeds of independent vibration. Independent. reversible rotation. Non-jamming synchronized rotating beads. Easy push button controls. EZ load battery pack. TPE (vibrator) ABS (controller) ABS with Silver Plating (beads). Requires 4 AAA Batteries. Size: 5 x 1.25/12.75 cm x 3.25 cm