Sell Neck Guard Self-heating Brace Magnetic Therapy Massage Relaxation Pain Relief best price

Function: 1. Inlaying 3 permanent magnets 2. Smooth the nerve system 3. Promote blood circulation 4. Remit the neck/waist/knees’ pain & cold 5. Relieves from pain 6. Help to cure cervical vertebra disease 7 .Without using of electricity & spontaneous heating 8. Safe and convenient to use 9 .Obvious effects for keeping good health How to use : 1. Use wet cloth to wipe the heat part of neck  before you wear them on. You will feel obvious heating on the neck after 15-20 minutes. It takes longer time if you do not make the heating parts wet. 2. It's a reusable product and can be used for very long time. 3. Just wash by hand. No need any soap.