With Amazon Prime Day winding down, there's still time to find great tech deals under $50. These discounted items, recommended by Engadget based on testing and reviews, include Anker cables and chargers, the Echo Spot smart speaker, microSD cards, Roku streaming sticks, and Chipolo trackers. The sale ends at midnight Pacific time, so act quickly to take advantage of these savings before they disappear. Some deals may linger, but most will expire.