USB 3.0 SuperSpeed interface. Ideal for transferring high-resolution images and video recordings. Compact and easy-to-carrry. Backwards compatible with USB 2.0 Read and Write two memory cards simultaneously to save the efforts of constant unplugging and re-plugging. Utilizing the latest USB 3.1 gen 1 specification (data transfer rate up to 5Gbps, the reader will maximize the card high-speed potential if you already use high-speed memory cards such as Class 10 SDHC. Plug and play. PC, Mac and Smart TV compatible. Allows to read/write on SD and Micro SD cards at the same time unlike other card readers. Utilise the full speed potential of two memory cards. Compatibility: SD, Extreme SD, SD-ultra, SDHC, SD-pro, SD-ultra11, SD Elite pro, HS SD, Ultra Speed SD, SD-Ultra-x, HS MINISD, MMC, MMC1, MMC2, HS-MMC, RS-MMC, MMC 4.0, MMC-Pro*MINI SD Micro SD/TF Specification : Portable Ultra thin USB 3.0 Card Reader high-speed Card Reader USB3.0 SD/ MicroSD Card Reader 1. TF slot /micro SD usb 3.0 card reader ,USB 3.0 USB 3.1 version . 2. Data transfer rate up to 5Gbps, 10 times faster than USB 2.0 3. With CE standards and RoHS Directive-compliant 4. Compliant with USB 3.0 specification Revision 1.0 5. 1 Card slots (TF+ SD) 6. Additional 5-pin power connector design to meet some huge power consumption 7. Plug-and-play, hot swappable and pluggable 8. PCI-e connector help all USB 3.0 devices use on USB 2.0 motherboard Interface type : USB 3.0, Backwards compatible with USB 2.0 and USB 1.1 Application : for macbook , laptop,Smartphone, mobile devices .desk computer etc Support : Windows XP, 2000, 98, and Mac OS 9.2 and higher, No driver required. Certification : CE,ROHS,FCC Warranty : 12 Months Compatibility : SD, Extreme SD, SD-ultra, SDHC, SD-pro, SD-ultra11, SD Elite pro, HS SD, Ultra Speed SD, SD-Ultra-x, HS MINISD, MMC, MMC1, MMC2, HS-MMC, RS-MMC, MMC 4.0, MMC-Pro*MINI SD Micro SD/TF