Good cheap micro SD card! Use it in my Tablet Odys Sky 3G. Without batting an eyelid the device has recognized and integrated the map. From the values on the packaging should say goodbye quickly, realistically are values when reading about the 20 and the 10. Nevertheless, post quicker access to music and videos or pictures is guaranteed. For the average consumer perfectly adequate! Delivery very fast! Thank you would buy again! I. Richter