- World famous Jack Rabbit with flickering bunny ears - Sized for beginner. intermediate. and advanced users - 8 intense functions of vibration. pulsation and escalation - 4 speeds of independent shaft rotation - 5 rows of non-jamming. rotating beads - Easy-to-use LED control panel - TPE (massager) ABS with PU Cote (controller) Steel (beads) - Requires 4 AAA Batteries Size 4.5 x 1.25/11.5 cm x 3.25 cm (shaft) 2.5 x 1/6.25 cm x 2.5 cm (rabbit)