Endorsed by Dr. Joel Kaplan. Seamless stimulator with ergonomic ridges and an angled tip for pinpoint prostate stimulation. 5 powerful functions of vibration, pulsation, and escalation. Push button control. ABS with Rubber-Cote (PU cote). 2 AA batteries. 6.75 inch x 1.4 inch /17 cm x 4 cm.