Shoulder massage, use the latest science and technology fruitú¼with strong built-ink motor chip, imitating hammer and the beating action from the professional massagist on the human body, can help realize the deep hammering and opening the channels o n to your acupuncture point and joint , gainfully thorough treatment of the cervical spondylosis , frozen shoulder, joint disease and other aliment. The innovated covered style appearance make it more convenient to use, built-in mineral salt, under the effect of strong beating , can deeply penetrate into the muscle, remove the pain and tried, bring the newly massage feeling. Two-point hammering 18 emulation modes Covered totally, close fitted massage 3-level constant temperature, tepidity and intensity Mineral salt adjusting , revivifying Knee joint hammering, revivify blood and remove frozen blood. Qua/ctn Product size Color box size N.W/g.W 8set/ctn Products size 42*12*23cm Color box size 51*44*48.5cm Net weight/gross weight 2.5/2.8kg