2 In 1 USB 3.0 Card Memory Reader High Speed SD SDHC SDXC Micro Writer Adapter Features: Fast Data Transfer: Super Speed USB 3.0 interface for quick file access and transfer. Wide Compatibility: Supports a range of memory cards and is compatible with USB 2.0. Dual Slots: Conveniently read two cards simultaneously. LED Indicator: Easily monitor the reader’s activity status. User-Friendly: Plug and play functionality with no additional software needed. System Support: Compatible with both Windows and Mac operating systems. Specifications: Interface: USB 3.0 (Backward Compatible with USB 2.0) Supported Cards: SD, SDHC, SDXC, MicroSD, MicroSDHC, MicroSDXC/TF Power Source: USB Powered Size:60×17×8.3 cm Package Includes: 1 x USB 3.0 Card Reader Note: Measurement Tolerance: Allow a 1-3 cm difference due to manual measurement. Colour Variance: Minor colour differences may occur due to screen and lighting settings. File System Support: Windows XP or Mac OS X may require updates for exFAT support of high capacity cards (512 GB or higher).