It's a NYKO pro controller, yes it is wireless but according to this article it has a 25 hour battery life (Article gonna be at bottom).
I'm not sure about charging and durability but maybe if you interested guys you could check it out. I only made this article for people who were thinking about Gamecube controllers on Wii U.
The article:
http://www.vg247.com/2013/01/10/nyko-unveils-cheap-wii-u-pro-controller-at-ces/