The Apollo Wireless 7-Function Stroker is a soft, tight, stretchy stroker with removable vibrating stimulator. Stimulator has 7 functions of vibration, pulsation and escalation. Textured stroker is reversible for added sensations. Choose your perfect stimulation position top, side or use it independently. Stroker may be used with or without stimulator. Easy push button control. Hold for 3 seconds to turn off. Materials: TPR stroker, ABS plastic with silver plating stimulator. Batteries included. 3 watch to power up, 6 included. Dimensions: 6 inches by 2.5 inches stroker. 2.25 inches .75 inch stimulator.