Including Onkyo's first amplifiers in years, TCL's affordable 4K TVs and the world's first laptop with a "rollable" display.

As always, CES is home to a treasure trove of tech products — some of them cool, some "meh," some just plain bizarre. (I'll never forget the WheeMe rolling robotic back massager of a few years ago. Shockingly, that never made it to market.)

The Consumer Electronics Show (CES) in Las Vegas is the place to be if you want to learn about new smart home devices. While many of the devices showcased at CES are years away from reaching the market,