From a digital iPhone case to a frozen drink maker, these are the best cool tech and gadgets. Shop tech under $50, trending picks and more.

Prime Day is here, slashing prices left and right, including on some of the coolest tech we’ve seen, such as this new Baseus Enercore 3-in-1 wall charger that’s dropped to $56 from its $70 MSRP.

I test a lot of cool tech for NBC Select, but a lot of them look like gadgets. A gadget may have great features, but if you’re embarrassed to be seen with it, you’re probably not going to use ...