Popsugar Living Gadgets Useful Gadgets 2019 These 34 Genius Gadgets Might Seem Random, but They're Exactly What You Need 27 February 2019 by Krista Jones View On One Page Photo 32 of 34 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 32 Mini USB Car Essential Oil Diffuser Set the mood everywhere you go with this Mini USB Car Essential Oil Diffuser ($21). It even plugs into your car. Mini USB Car Essential Oil Diffuser $21 from walmart.com Buy Now Previous Next Start Slideshow ShoppingGadgets