Cervical Spine Cervical Spine Neck Vibration Neck Protector Shoulder Neck Features: 2 massage heads provide comfortable massage. Tightly cover the muscles around the cervical spine and areas of pain throughout the body. Instantly releases neck tension in front of a computer or smartphone for countless hours of effective massage. Relieve headaches, chronic fatigue and neck muscle relaxation. Humanized design, adapt to the of human neck, with constant temperature heating function, better massage effect. Enjoy relaxing massage anytime, anywhere, wireless hanging neck, light weight, easy to carry, suitable for home, office, business travel and other occasions. Simulate manual massage, 5 different modes, PulseMode, mode, kneading mode, fingerprint mode and mode, to provide you with the massage. The BestGift for your loved one. Product Description: Product usage details: 1 Press and hold the power button for 2 seconds to turn the machine on and off 3. Short press the + button to increase the strength. There are a total of multiple gears and six massage modes to choose from. 4. Low frequency, relieve neck pain, convenient, light and portable, automatically shut down later 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 3.7V include: 1X Neck