Invisible Companion 2 Product Features Ultra-discreet, soft, stretchy dual support ring with micro-wireless stimulator TPE (enhancer) ABS with silver plating (stimulator) Batteries included (3 watch, 6 included) 2.5?x 1?/6 cm x 3 cm (enhancer) 2?x .5?/5 cm x 1 cm (stimulator)