5.5 Inches Insertable with a 1.6 Inch Diameter. Powered by 'Ignition', the 10-speed USB rechargeable bullet. 10 variations including 3 speed settings and 4 vibration settings. Made from 100% body safe silicone and is 100% waterproof so great when used with a water based lube. USB rechargeable anal sex toy for men so you never run out of juice just as your hitting your high notes. Angled precisely to hit your p-spot and stimulate your perineum at the same time.