Buzz~10 functions of vibration, pulsation, and escalation. Memory button resumes last function. Vibrator is made using phthalate free, non-toxic materials PVC shaft, ABS plastic with silver plating cap. Dong measures 7 inches long by 2 inches wide. Vibrating sex toy requires 2 AA batteries, not included. Do not leave batteries in the vibrator between uses. Unisex toy: for men, for women. A water based lubricant is recommended. Always clean before and after use.