Compact and Functional!

First of all, if you want to nit-pick, this is actually a "microSDXC" card reader, not a "microSD" (which is larger). * Pros: (+) Very space-efficient. (+) Fast data transfer (limited by your microSDXC card). (+) Compatible with OTG cable (worked with my Note 9) (+) Ingenious design! - Cons: (-) The housing is made of anodized aluminum and acts as a heat sink. Therefore, this device gets hot -- REALLY hot, even when it's not in use and merely plugged into the USB slot! Depending on how tough you are, you could burn your fingers within seconds! The first time I used it, I was in for a "hot" surprise! ;) (-) If you need to frequently swap microSDXC cards, you are probably better off using a microSD adapter with an appropriate card reader instead. I personally rarely take my 200GB card out of the card reader. * Bottom line: This is a great little microSDXC card reader that takes up very little space and fits great in my wallet. I applaud the genius who came up with the idea of placing a microSDXC card under the USB connector! However, since this device is getting very hot, I would at least place a warning sign somewhere on the housing, or redesign it with a bigger heat sink. Luckily, the heat dissipates rather quickly and is warm to the touch within 15 seconds or so. The heat development is the only reason I cannot give this card reader a solid 5 stars -- more like 4.8 -- but I still highly recommend it.

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