Inside the mouse you get a 1.4GHz dual-core ARM CPU, 128GB of flash storage, two USB 3.0 ports, a micro-HDMI output and Wi-Fi connectivity — not bad for something so tiny.

One of the biggest bummers of traveling with a laptop is trying to use the built-in trackpad and nub to navigate. Apart from my general difficulty dealing with the cramped design, I always end up ...