It will shot your heart. This is not just any bullet. This long lasting bullets offer powerful vibrations that seem endless. This bullett is so silent and discreet that it can be tucked away for a weekend retreat or just an afternoon pick-me-up. It is 100% waterproof for fun in the tub or shower. One 1.5v N battery is included with the bullet for instant use. Take aim and blow yourself away! 80mm x 16mm / 3.1" x .6".