Cervical Spine MassagerSmart Neck Massager PulseHeating Physiotherapy Device Heating Neck Device Features: 4 massage heads provide a comfortable massage. Tightly covers the muscles around the cervical spine and painful areas all over the body. 5 high-frequency vibrating massage heads to unbend your shoulder blades Release neck tension instantly in front of your computer or smartphone for countless hours of effective massage. Relieve headaches, chronic fatigue and neck muscle unbendation. Humanized design, adapt to the curve of human neck, with constant temperature heating function, better massage effect. With intelligent voice prompt function, there is no cumbersome operation process, the patch has micro-electricPulse, hot compress function, bringing you the ultimate enjoyment. Enjoy unbending massage anytime, anywhere, wireless hanging neck, weight, easy to carry, suitable for home, office, business travel and other. new Product Product usage details: 1 Press and hold the power button for 2 seconds to turn the machine on and off 3. Short press the + key to increase the strength. There are 15 gears and six massage modes to choose from. 4. Low frequency, relieve neck pain, convenient, and portable, automatically shut down 15 minutes of work 5. The product adopts telescopic strong arm technology, which has good resilience and strong toughness. Easy charging and long battery life. This product is a USB charging type with a rated voltage of 5V include: 1X Neck Massager