Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Disappointed.

I returned this item because the main button controller, a joystick type button, did not work, I barely got it to work right a few times, after trying repeatedly. Also, when (trying) to change settings in the menu, it crashed (it errored and had to be turned back on). I don't know if all units are like this, maybe just mine was defective/broken, but it seems like it was a bad design at any rate.