“Would prefer to have a control function it is either all or nothing. Dont feel that it helped knee arthritis, although has helped joint pain in shoulder and neck”
“Very happy with the pen . Works great on my hands .. not so well on my knee tho but to be fair my knees are both shoot .
It’s worked so well that I’ve purchased 3 x pens in total now and given 2 of them away to family that I no have issues like me”
