This is the one I have. I love it - way better than the one I had previously. It has various sized pads you can use. They also were doing a thing where they'd send 10 sets of pads free if you submitted a review on Amazon.

https://www.amazon.com/dp/B06XXDTC3W/ref=cm_sw_r_cp_apa_fabc_MHO2FbYQNQX04?_encoding=UTF8&psc=1