Support Plus...the world's first patented support system with added flexibility and comfort. Dual semi-circle stainless steel supports for extra stamina! Flexible and comfortable couple's enhancer vibrates on contact, or continuously with the flip of a switch. Sturdy dual support rings for him with stroker beads for additional stimulation. Stimulation for her with multiple ticklers and triple point action. Removable, wireless micro-stimulator. TPR (enhancer), Stainless Steel (support rings and stroker beads), ABS (stimulator). Batteries included (2 watch, 4 included). 4.25"x 3"/ 11 cm x 8 cm.