Popsugar Living Walmart Best Tech Gadgets From Walmart 102 Smart Tech Gadgets We Found at Walmart, That Will Make Your Life So Much Easier 26 September 2019 by Krista Jones View On One Page Photo 2 of 102 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 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. Previous Next Start Slideshow ShoppingWalmartTechGadgets