The Colt Mighty Mouth is the 100% waterproof, self-contained power stroker. This vibrating pleasure stroker has a deep throat, noduled chamber for added sensati ons. Featuring 30 incredible functions of vibration, pulsation, and escalation. The memory chip resumes on last function used. The Mighty Mouth has easy push-b utton control and an optional multi-position hands-free suction cup swivel mount , included. Requires 4 AAA batteries, not included.