I have this one which was recommended by my physion,
Amazon product ASIN B07CXR6XQ9View: https://www.amazon.co.uk/Careway-Tens-Digital-Pain-Machine/dp/B07CXR6XQ9
I also bought spare pads but the old one's are lasting up very well.
Amazon product ASIN B07CXR6XQ9View: https://www.amazon.co.uk/Careway-Tens-Digital-Pain-Machine/dp/B07CXR6XQ9
I also bought spare pads but the old one's are lasting up very well.