Description: Interface: USB 2.0 (Also compatible with USB 1.1 + 3) Data Transfer Speeds up to 480mb/s For Micro SD SDHC SDXC TF to USB Interface Supported Operating Systems: For Win7 / XP / 2000 / ME / 95.Mac OS8.6, Vista No USB wire required, plug and play Specification: Material: Plastic Size: Approx. 33*16*6mm / 1.29*0.62*0.23inch Package Includes: 1 Piece Memory Card Reader