
Computers used to come with all sorts of bells and whistles like SD card readers, but these days many only have a few USB ports. I bought this product because I have a Nikon COOLPIX S3100. 14 MP digital camera with NIKKOR lens with 5x optical wide-angle zoom and 2.7" LCD (silver) for storing images on an SD card. Sometimes I use a computer that doesn't have an SD card reader, and I don't carry around a USB cable that plugs into the USB port to boot, and I need something that easily slips into my pocket or purse leaves and it works perfectly. readers are small; They are about the length and width of my index and middle finger (I have a medium sized adult female hand) and easily fit in a pocket or small pocket in my purse. They are also very easy to use, just remove the caps and put on the SD card, format it larger on the side with the cover and plug it into the USB port, the light inside will be on and it's ready to use. Because it comes in a 3-pack, you'll have enough for personal use, 1 backup to keep in your drawer, and one to share with a friend. I bought this product at a reduced price, but this has not affected my opinion of the product.

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