The 59 best Amazon Prime Day deals under $50 from Anker, Ring, Lego, Roku and others

Here is a 184-word summary of the key points from the article: Amazon is hosting another Prime-related sale, this time calling it the "Prime Big Deal Days." While technically the third such sale of the year, it's essentially an October Prime Day. The sale features numerous tech and gadget deals under $50, all of which have been tested and recommended by the Engadget team. Some of the notable deals include the latest Apple MagSafe charger for $29, a magnetic wallet/stand for $24, various microSD cards for the Nintendo Switch, a 3-month Audible subscription for $3, a foldable laptop stand for $48, and discounts on Anker, Ugreen, and other charging accessories. There are also deals on Lego sets, Bluetooth trackers, smart home devices like the Ring Doorbell and Blink cameras, gaming mice, Bluetooth speakers, and more. The article covers a wide range of categories and highlights the "best of the best" deals under $50 that the Engadget team has vetted through their own testing and reviews. The sale ends tonight, so readers are encouraged to act quickly if any of these deals are of interest.