I have a Garmin nuvi 1490 and recently needed to update the map of the United States, but the data was too large for my nuvi 1490 so I bought this 4GB micro SD card (no Micro SD card, nüvi 1490 supports a region of USA map). No adapter is required for 1490, a microSD card is sufficient. I just plugged it into the GPS slot and then downloaded the maps from the Garmin nüvi website. This small device is great for expanding your card storage capacity. Using this card is very simple; The map can simply be inserted into the GPS device and pulled out again. The micro SD card can also be used to store music, videos and pictures, and can be played on your computer, laptop or mobile phone. Overall I am satisfied with this product and can recommend it.
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