Lust L13 is a Silicone probe that features five functions of vibration, pulsation and escalation, plus independent incremental speed controls. The L13, which is featured in either gray or purple, has a loop on the back for control. Like other LUST items, the L13 is rechargeable with an included USB cord, plus it is incredibly powerful with a Lithium Ion battery. Virtually seamless, LUST products have a satin finish and are made with body-safe silicone. Additionally, all the LUST items come with a security travel lock, are 100% waterproof, have an auto on/off button with an LED indicator light, and come in a keepsake box that women can place on the nightstand.