An effective, economical massage tool. Great for scar massage, muscle stimulation, or desensitization. The Mini Massager includes 4 massage tips: 3 rubber heads to treat small muscle areas and a cap head to treat larger areas. Each head vibrates at 92 cycles per second with an amplitude of 0.06 mm. Only 5"(l), and weighs 5.5 oz. - small, compact size for easy storage and portability. Ideal for home or clinical use. Operates on one C-size battery, included.