There are many products with low frequency and intermediate frequency that rely on current to produce therapeutic effects. you can know more about them. the product side must say that they are effective
Low-frequency and medium-frequency electrotherapy is still widely used, but I personally feel that it is still metaphysical. as long as it is comfortable to use or I think it is useful, it is useful
Waist is often sore, can I use it?
This can be tried
It looks good.
nice
GOOD JOB
Is it useful for lumbar muscle strain
Good-looking
Not bad
Can I use it after delivery