I'm thinking about buying some mining hardware and have a few questions. I looked online and stumbled upon the following products

https://bitmaintech.com/productDetail.htm?pid=00020141016120002527iTkNypAG06C9

https://www.bitmaintech.com/productDetail.htm?pid=00020141015100808946Nj1LM03y0650

What is your opinion on the two pieces of hardware?

What would I need to do to them mining bitcoins?

Thank you.