Power up your love making tool! This vibrating penis sleeve is made from clear jelly. The tight, stretchy, comfortable Senso sleeve fits most men. Included is a removable self-contained micro-stimulator for pleasureful vibrations. Use this discreet stimulator to enhance him or use in conjunction with your favorite vibe. Sleeve measures 5â long with a diameter of 1.25â . The micro-stimulator uses 1 watch size battery, 2 are included. Rock out with the Power Rock for scintillating satisfaction!