Feature: 1. 30 Gears Adjustable Strength: Electric spine chiropractor can adjust 30 gears force, which can meet your various massage needs and is very practical. 2. High Frequency Cooling Fan: Electric spine chiropractor built in high frequency cooling fan can cool the machine to extend its service life. 3. 8pcs Replaceable Physiotherapy Heads: Electric spine massage machine has 8pcs replaceable physiotherapy heads, which are used to treat different parts of the body. 4. Activate Nerve Cells And Organs: Electric spine massage machine can activate the normal functions of nerve cells and organs, so that body functions can be quickly restored. 5. Wide Application: Electric spine massager can be used for joint relief, cervical spine adjustment, thoracic spondylosis, cervical spondylosis, body treatment. Specification: Item Type: Electric Spine Chiropractor Material: ABS Product Size: Approx. 20 x 15 x 5cm / 7.87 x 5.91 x 1.97in 30 Gears Adjustable Strength: 50N, 100N, 150N, 200N, 250N, 300N, 350N, 400N, 450N, 500N, 550N, 600N, 650N, 700N, 750N, 800N, 850N, 900N, 950N, 1000N, 1050N, 1100N , 1150N, 1200N, 1250N, 1300N, 1350N, 1400N, 1450N, 1500N Five gears of beating frequency adjustable: low, medium, high, super high, frequency conversion Function: 1. Body massage: provide stable and powerful force, more effective and comfortable massage, 2. It is suitable for scoliosis, thoracic and spine soreness, and can be used for joint relief, cervical spine adjustment, thoracic spine massage, cervical spine massage, body massage and health care 3. The principle of physical pressure massage: imitate human hand massage, adjust bones, straighten the spine, immediately dredge upright, get rid of pain, and make people refreshed and energetic. It can be in contact with the skin under 2.3cm to effectively adjust the bones and massage once to make the relaxation time longer. Will provide stable and powerful strength, more effective and more comfortable Adaptation symptoms: 1. Neck syndrome: headache, dizziness, insomnia, restricted neck movement, neck pain, numbness in the arms, and neck movement disorders. 2. Chest syndrome: back pain, shortness of breath, loss of appetite, gastrointestinal disorders 3. Lumbar syndrome: acute and chronic low back pain, lumbar disc herniation, numbness of legs and feet. 4. Pelvic syndrome: sacroiliac joint subluxation, sciatica, toes 5. Scoliosis: prevent traditional spinal health degenerative diseases. Taboo: 1. Eyes and surrounding areas, myocardium, spinal cord, gonads, kidneys and liver. 2. Blood diseases, coagulation problems or the use of anticoagulants. 3. Polyps in the treatment field. 4. Thrombosis. 5. Tumor diseases. 6. Polyneuropathy. 7. The growth of cartilage in children. 8. Use fatty alcohol treatment. 9. Not suitable for areas close to large nerve tracts, blood vessels, spinal cord and head. 10. Major diseases such as heart disease, diabetes, and pregnant women. Instructions: 1. Choose a suitable physiotherapy head and install it at the place where the physiotherapy head is replaced 2. Turn on the power, short press the button "ON/OFF" to turn on, and press again to turn off. 3. Adjust the hitting speed, short press the button "frequency", the screen will display the corresponding hitting speed "low frequency" or "medium frequency" or "high frequency" or "super frequency" or "variable frequency", select the appropriate one according to your needs Hit speed. 4. Adjust the maximum number of single consecutive strikes, short press the button "The number of", the screen displays the corresponding number of strikes "10 times" or "20 times" or "30 times" or "unlimited times", choose according to your needs Appropriate number of single hits. 5. Adjust the single strike strength, short press the button "Efforts to+" or "Efforts to-", the screen displays the corresponding hitting strength, select the appropriate hitting strength according to your needs. 6. Hold the head of the gun against the hit part, pull the trigger to not loosen it, start hitting until the end of the set number of hits for the current time. 7. After hitting, short press the button "ON/OFF" to shut down, and unplug the power supply. 8. To replace the physiotherapy head, it must be turned off first, and the use steps are the same as above.. Package List: 1 x Electric Massage Gun8 x Physiotherapy Head1 x English Manual1 x Storage Box