Use this solo, or with a partner. Easy to use remote control has a range of up to 25 feet. Use the super-strong bullet with the cock ring, or detach for more teasing and pleasing. Phthalate-free so it's body-safe, and featuring 10 functions including 3 different vibrating strengths. We recommend using a water-based lubricant with this Silicone cock ring. Uses 12V-1 / LR44-2 batteries which are included.