Rosewill OTG On-the-Go 4-Inch Card Reader Charging Cable (ROTG-14005) Length: 4" Speed: Up to 480Mb/s Interface: Standard USB 2.0 and micro USB (male) Connection: SDXC + micro SDXC Operating system: Android 4.0 or above, Windows 2000?2003?XP?Vista?WIN7?WIN8 ? Mac 10.45 and above Linux 2.4 OS Plug-and-play, no need external power supply Support high-capacity SDXC, micro SDXC memory card up to 64GB Read out the memory card directly Without via desktop