LG announced the CineBeam Qube (model HU710PB) laser projector yesterday: It’s got a minimalist look and stature, weighing 3.28 pounds and measuring 135mm square on one side and just 80mm wide at the front. (For comparison, the iPhone 15 Pro is just shy of 147mm tall.) It also has an unspecified number of HDMI eARC and USB-C ports, and a 3W built-in mono speaker. Impressively, LG says it can project an up-to-120-inch image at full 4K resolution with a pretty standard 1.2 throw ratio. Oh,…