Feature:1. Replaceable Massage Head: Chiropractic adjusting massager has 4 physiotherapy heads, with different functions, which can be used to treat different parts of the body.2. 3 Strength Adjustable: Electric spine massage gun with 3 strength levels of 150N, 300N, 450N can be adjusted, which can provide stable and powerful force to massage your body.3. Widely Use: Electric spine massager is suitable for scoliosis, thoracic and spine soreness, and can be used for joint relief, cervical spine adjustment, thoracic spine massage and cervical spine massage.4. Cooling Fan: Electric spine chiropractor built in a high frequency cooling fan to cool the machine, and made of high quality ABS material, which can be used for a long time.5. Relieve Discomfort: Spine corrector gun can provide comfortable massage to stimulate the normal function of nerve cells and organs, help to relieve pain and quickly recover body discomfort.Specification:Item Type: Electric Spine ChiropractorMaterial: ABSSize: Approx. 17 x 15 x 5cm / 6.69 x 5.91 x 1.97inVoltage: 100-240VStrength: 3 Gears"-" = 150N"O" = 300N"=" = 450N 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 bo