High-Speed USB 3.0 Card Reader - Compact & Versatile � Input: USB 3.0 A Male � Output: TF/SD 3.0 Card Slot Dual Card Slot Compatibility: � SD Slot: Compatible with SDXC, SDHC, SD, Extreme I/III SD, Ultra II SD, MMC, RS-MMC cards. � TF Slot: Supports Micro SD, TF, Micro SDXC, Micro SDHC, UHS-I cards. Impressive Storage Support: Measured at 512GB, with theoretical support for up to 2TB. Fast Data Transfer: Enjoy memory card transfer speeds of approximately 90MB/s. Wide System Compatibility: Works seamlessly with Windows XP/Vista/7/8/8.1/10, Mac OS, Linux, and more. Convenient & Easy to Use: Plug-and-play functionality with no driver installation required. Compact Design: � Size: 36mm (L) x 50mm (W) x 13mm (H) � Cable Length: 15cm