A:AnswerNo, and No. Somewhere on the listing (I think the Documents link) it states this USB ports are version 3.0. For video, you would need a minimum of 3.2.
A:AnswerProbably a temporary shortage necessitated the substitution. But never fear, they are almost exactly the same in performance, and the 150U is actually slightly better (15,005 CPU benchmark v. 13,984 for the 1335U).
A:Answer1. Of course, like any computer, you can add an external mouse through a USB port or Bluetooth.
2. Laptops have a built-in TRACKpad, which acts as a mouse, so a mouse pad would be superfluous, but you can buy one to use with your external mouse.
