my new mac computer does not have a usb port. I am a 76 year old woman and have put a few things together in the past, mainly shelving. Their main function - a bluetooth headphone - is generally superb. VERY difficult to find shoes in size 5. :) One thing I did find off was that the strap that Velcros down was longer than I expected when I fit it to my foot. Very comfortable with good arches and support. Easy to put together, and the flexibility of choosing side-by-side or stacked really helps with our closet space. That part was harder when putting the covers back on with the display in the way. Everything you could need to keep your AirPods and iPhone in tip top shape. The 2009 Prius did get only 25 mpg when we started in the cold weather but got up to 37 mpg in Florida.