A1: The negative ions are anywhere between 300 and 700. The wavelength of far infrared is anywhere between 5 and 14 μm.
Q2: How many jade stones are there?
A2: 96 independent natural jade and 33 independent tourmaline.
Q3: Can I use this device in Europe?
A3: Yes, you only need an EU adapter and it can be used in Europe.
Q4: Is this mat FSA eligible?
A4: Yes, it should say in the listing if Amazon makes it eligible.
Q5: Can multiple people share the device?
A5: Yes, The device can be used by different people and your pets too if you like.
Q6: What voltage can this device be used?
A6: The device can be used within AC110-120V.
Q7: Is it more effective on bare skin than over cloth?
A7: Yes, it is more effective on bare skin than over cloth.
Q8: Are there side effects?
A8: Don't worry about it, but please notice you may have skin irritation if you're allergic to the fibers.
Q9: How long will it take to experience relief of the device?
A9: We recommend wearing it for 2-3 therapy sessions per day for the first month, 10-30 minutes each time. Take a rest and drink some water to relax yourself before the next following use. Please be patient because it may take several weeks to experience optimal relief.
Q10: Is this washable?
A10: No, this is a complicated electrical device. You can't wash it entirely. But you can use a wet towel to clean it outside.
Q11: Can you use this product for back pain while Pregnant?
A11: NO, Please don't use it while pregnant.
Q12: Can this be used on a recliner?
A12: Yes, it works well on a recliner. Very compatible.
Q13: Can I use it while lying in bed?
A13: Yes, the mats are known to help with back and hip pain. It would help in any position; most people use it by lying on it on a bed.
Q14: Does this work well for back spasms?
A14: Yes, it does very well.
Q15: Can I put my head on the mat?
A15: No, Heat mat is not suggested for the brain.