Now you can easily relieve pain and soreness with this specially-designed deep tissue massager. The kneading percussion motion relieves muscle tightness and soreness, and it can be adjusted to your exact pain and stiffness levels. Choose between light and deep-penetrating massage with the 4 speed/power settings. Lightweight, compact and cordless, it applies approx. 2,000-3,000 percussions per minute. Comes with 4 interchangeable attachments to help relieve pain in your neck, shoulders, calves, back, feet and more. USB cable is included for recharging. Plastic, metal and electronics. Massager is 5 1/4"L x 5 1/4"H.