Product Review

Rocketek - easy Your life without delay Rocketek rt-cr3 11 in 1 Super Speed USB 3.0 card reader base on easy portability design, with a build-in card cover, it is able to store the cards inside the memory card reader, and don't need to worry about losing the cards. it allows you to easily add a USB 3.0 multi-slot card reader/Writer to your USB 3.0 enabled system.
The Rocketek USB 3.0 SD/ micro SD card reader is a great option for anyone looking for an easy way Add support for the most common storage media types used in common digital cameras, MP3 players, and mobile phones, etc.

Features
-2 slots: SD/MMC + Micro SD/t-flash -Rts5306 Chipset -LED indicator for working status -build in card cover

card compatibility -SD slot: SDXC/UHS-I SD/SDHC/SD/Extreme SD/Extreme III SD/Ultra II SD/mmc(mini SD/Mini SDHC/RS-MMC/has RS MMC may need a adapter) -micro sd(tf) slot: micro SDXC/micro SDHC/micro SD
system requirements
*windows 8, 7, Vista, XP
*mac OS 9 and above
*linux: modern kernel 2.X & 3.X based distributions with USB mass storage Support
*android compatibility varies by device and is limited to devices running 4.0 and later devices with support for USB mass storage.
Please note
* you can fully enjoy the transfer rates of current high speed cards formats: SDXC, micro SDXC, UHS-I. * not all cards support Built-in security functions. Please check the memory card manufacturer for compatibility details.