<b>Rocketek 2 in 1 Super Speed USB 3.0 XQD&SD card reader-----Professional-grade card reader for photographers. Base on easy portability design, great choice to transfer files between your device and memory card. FOR XQD and SD simultaneously, support slot-to-slot read/write. Great accessory for the owner of the Nikon d850 d4, d5.</b> <br><br><b>Super Speed on Data Transfer</b> <br>Support super faster data transfer up to 5Gbps through USB 3.0 interface -10X faster than USB 2.0, transfer HD movies or files in just seconds. <br>Super speed USB 3.0 technology, maximum transfer speed up to 500MB/s for the XQD card, 104MB/s for the SD card reader. <br><br><b>XQD&SD Card reader</b> <br>Designed for XQD 2.0 cards, Perfect support Sony G series, Sony M series, Lexar USB Mark card, SD Series (Such as SDHC, SDXC ect.) <br><br><b>Portable Design</b> <br>Aluminum enclosure provides this 2 in 1 Card Reader extra reliability against interruptions. It's comfort and convenient to connect your laptop with your favorite XQD or SD card any time, perfect for vacation and business trips. LED Indicators show you the status of working anytime. <br><br><b>XQD Universal Compatibility</b> <br>Plug and play on the computer or laptop equipped with Standard USB 3.0 port with most modern operating systems, including Windows XP/Vista/7/8/8.1/10, Mac OS, Linux, Chrome OS. No driver needed and No worry needed! <br><br><b>Compact and Ultra light weight</b> <br>Product size: 2.35 x 1.77 x 0.55 inches <br>Wire length：4.52inches <br>Weight: 1.4 ounces <br>Portable and compact, suitable for any occasion, accelerate your workflow anywhere anytime. <br><br><b>Kindly Note</b> <br>Make sure your xqd card is one of the following models SONY G Series SONY M Series Lexar 2933X Lexar 1400x 4 capacities: 32GB, 64GB, 120GB and 240GB Speeds up to 440MB/s transfer and 400MB/s write. (depending on the card)