6 Heads Cervical Spine Massager Shoulder And Neck Intelligent Heating Shoulder And Neck Massager size21*18*10cm Describe: 4 massage heads provide and comfortable massage. Tightly cover the muscles around the cervical spine and the painful parts of the whole body. Immediately release the neck tension in front of the computer or smart phone, effective massage for countless hours. Relieve headaches, long-term fatigue and neck muscle relaxation. Humanized design, adapt to the curve of human neck, with constant temperature heating function, better massage effect. Enjoy relaxing massage anytime, anywhere, wireless neck hanging, light weight, easy to carry, suitable for home, office, business trips and other. Product usage details: Press and hold the power button for 2 seconds to the machine on and off 2. Short press the M button on the remote control to between modes. There are five modes in : mode, mode, hammering mode, kneading mode, vitality mode, and the mode when booting. 3. Short press the remote control button to adjust the temperature: low temperature, medium temperature, high temperature, temperature off, cycle in turn, the is low temperature when the machine is 4. Short press the + button on the remote control to increase the. There are 15 gears in total, and the setting is the first gear when the machine is. 5. Short press a button on the remote control to weaken the 6. The working time of the product is 15 minutes. The product will automatically shut down 15 minutes 7. The storage of the remote control: press the bottom of the remote control and insert it into the remote control compartment until it is to the decorative buttons on both sides. 8. Low-frequency, relieve neck pain, and convenient, light and portable, automatic power off 9. The product has 6 three-dimensional floating electrode plates, using stretchable strong arm technology, good, strong toughness. Convenient charging and long-lasting battery life. The product contains: 1x neck massager