This stretchy, comfortable, Jelly enhancer is completely wireless and allows hands-free sensations with its powerful self-contained micro-stimulator. Beautifully detailed and exquisitely textured butterfly provides continuous stimulation for both you and your partner. The packaging includes six batteries. Just insert three batteries for powerful multi-speed use and you have three batteries to spare! 2.5”x 2”/ 6 cm x 5 cm (overall) 1.5”x .5”/ 4 cm x 1 cm (micro-stimulator) 1.25”/ 3 cm (diameter penis ring)