Elevate you and your partner`s confidence and satisfaction with the Rumbler`s stretchy, vibrating ring that constricts the shaft and balls, while its external ridges and vibrations target your partner`s erogenous zones. Featuring ten vibration modes, the innovative dual-ring design also offers tantalizing constriction and simultaneous stimulation. The Rumbler is also USB rechargeable and comes with a convenient storage bag. Product Spec Sheet Download PDF (ENV1500-1503)