100% Brand New And High Quality Magnetic effect helps promote blood circulation, relax local muscle. Electrode slice design offers double massage efficacy. Built-in healthy magnets provides electric pulse massage to improve the nutritional state of cells,and play a variety of healthy massage role. 6 kinds of massage methods, which enables you to enjoy a comprehensive massage. There are 9 strength grades in total, you can adjust to strengthen and weaken as per your actual need. Telescopic joint design makes it fit closely to the neck to soothe neck stress, relieve neck pain and prevent cervical spondylosis. Moving massage at any angle and in large range to cover the whole neck, cervical vertebra even the shoulder. Function: relieve neck soreness, promote blood circulation, improve sleep quality, soothe nerves, stimulate cell activity, and ease muscle pain. 15 minutes physical therapy time.It is suggested to use 10-20 minutes everyday. Powered by 2 AAA batteries. (Not Included) Package Includes:1 x Neck Massager Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)