The Kasa Smart Light Bulbs let you dial in the perfect vibe with millions of colors, dimmable brightness, and voice control via Alexa and Google Home. And at $26.09 for a 4-pack (down from $39.99 ...

Bad lighting sets the wrong vibe, but these smart bulbs let you switch colors, dim the lights, and set the mood, all for less than the price of a fancy coffee (per bulb).