Electric Chiropractic Adjusting Tool Strength Adjustable Pain Relief Spine Massager for Neck 100‑240V EU Plug Item Type: Electric Chiropractic Adjustment Tool Material: ABS Strength Setting (P + P-): "1" = 100N, "2" = 200N, "3" = 300N, "4" = 400N, "5" = 500N, "6" = 600N, "7" = 700N , "8" = 800N, "9" = 900N Frequency Setting (F+, F-): 1~9 (slow~fast) Function: 1. Body massage: provide stable and powerful force, more effective and more 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, and body massage for 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. Orientation Symptom: 1. Cervical syndrome: headache, dizziness, insomnia, limited neck mobility, neck pain, arm numbness, neck movement disorder. 2. Thoracic syndrome: back pain, shortness of breath, poor appetite, gastrointestinal disorders. 3. Lumbar syndrome: acute and chronic low back pain, lumbar disc herniation, legs and feet numb. 4. Pelvic syndrome: sacroiliac joint subluxation, sciatica, toe feet. 5. Scoliosis: the prevention of regressive lesions of the conventional spine health.