Portable 6" hand held massager features 2 therapeutic speeds, a smooth/curved massager tip, and an easy-grip contoured handle. This economical massager is ideal for providing (external) oral motor stimulation and calming tactile sensory input to arms, legs, and back. Uses 2 "AA" batteries (that are included). Comes in assorted random colors. Ideal for home, classrooms, clinics, or for occupational therapy tactile input use. The perfect tuck-in, travel-size sensory massager for itinerant occupational therapists! Requires adult or therapist supervision.