Size ; 35cm*18cm, 6 roller massage balls - The neck massager is upgraded with 6 roller massage balls that can be rotated 360° to adjust to your most comfortable angle and massage deeper into the muscles with a larger area and relieve pain immediately, allowing you to enjoy the best massage experience. The manual neck massager has no noise and radiation, you can control the speed, intensity and angle according to your different massage needs to achieve your ideal and comfortable relaxation effect, suitable for all ages and easy to use. This neck and shoulder massager helps to release tight, stiff and sore muscles in the neck, shoulders or legs by pressing, rolling, squeezing and kneading Improve blood circulation to release fatigue. This handheld massager is weight less which means you can enjoy a trigger point massage at home, in the office, in the yard, outdoors, or basically anywhere you want. It truly gives you a deep tissue massage, relieves stress and enhances blood circulation anytime, anywhere. Carry it with you or even use it as a relaxation tool to prevent muscle injury.