These are your standard issue USB 2.0 type A to micro USB 5-pin... but wait, what's this? These cables have minor, yet genius modifications that allow both ends to be plugged into their ports regardless of their orientation. No longer will you fight the USB "super position" where both orientations of your plug seem incorrect. A simple solution to a problem that nearly everyone has faced. This is one of the features we love so much about USB-C, but now it works with all your Micro-B devices as well!
This version of the Reversible USB A to Reversible Micro-B Cable is 0.8m/~2ft length and is perfect for small applications.
If you're still trying to wrap your head around the world of USB cables, why not check out our USB Buying Guide?
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Works ok in a power only application, but using them for data sync applications does not work. As an example, UF2 bootloader devices do not mount as a USB drive on the desktop. Using Arduino is not possible because the serial port does not show up in the Tools/Ports menu. Reviewing the drawing it is clear that there are only 4 signals , not 5, as micro B cables should have. Pin 4, the mode signal is missing and since this designates if it is data or power only mode it is really only a power only cable. I suspect that on some devices, which don't implement the mode signal, these cables might work. They will not work an a board that properly implements the micro B connector standard.
Even without the Mode/ID pin connected these should still work as a regular cable. Sounds like you got a defective one, if you contact customer service they can help you out with a replacement.