The Izonix High Speed SD, SDHC, and Micro SD Reader and Writer offers easy plug and play installation. It reads and writes information from and to SD cards. It helps conserve camera battery life and offers rapid data transfer with the high speed USB. It is perfect for people on the go. The card reader and writer has MAC and PC system compatibility for Microsoft XP and Window 7 and 8, and MAC 10.4.6 or greater.