Authentic deep tissue massager originally designed for clinical use * Ideal for warming up muscles prior to Chiropractic adjustment * 8 massage spheres cover a broad area ideal for large muscle groups * A full-body massage takes only 5-8 minutes * Designed to direct 95% of its energy into the patient?s muscles assuring virtually no feedback on the therapist?s hands * No need for oils or lotions * Works through clothing providing flexibility for use in all clinical and professional environments * 12 ft. (3.66 m) Power Cord * Variable Speed: 20 - 40 Pulses/ Sec * Stroke: 0.24 (6.0 mm) * Class 1 FDA Medical Device *