Knee Hot Belt for Leg Pain Self Heating Magnetic Knee Strap Knee Cap/Support for Pain Relief Knee Protection Magnetic Therapy Heating Belt - Product Features
- a day, about 3 hours for each time(Do not use while sleeping)
- 20 minutes you could feel the heat(If you do not feel the heat, you can just wipe the surface of the insoles with wet towel).
- is normal that some people with sensitive skin may feel burn or skin turns red. If it hurts your skin, you could shorten use time according to individual circumstance.
- could also wear the brace through clothing but the heating effect will decrease and the magnetic effect will work as normal.
- on knee directly.