I read some reviews about this product from people who used it in a 13 inch MacBook Pro before buying it. This adapter is almost half the price of any of the smaller (Pi or 13" MBP) SD card adapters. Although this is for a Pi, it works fine on my 13" MBP. It fits really tight and since I mainly use it For extra storage, this works great for me "set it and forget it". The adapter isn't quite flush but protrudes less than 1mm which is also good as it's easier to remove if needed. Works as it should and is significantly cheaper than the highly recommended alternatives FYI (the Base Qi adapter specifically for 13" is made of metal and plastic, this one is all plastic but again it costs a lot less.
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