Transparent sleeve with knobs and a white vibro-bullet with a plug-n-play system. The vibro-bullet is attached to the sleeve by a small strap. The USB-cable just needs to be plugged into a (mobile) charging device, car adapter, PC port etc. to start the vibrator. 6 cm, Ø 1.7 cm. Material: TPE, ABS, phthalate-free according to EU Regulation REACH.