• 【Instant expansion and protection】-This USB 3.0 hub with card reader can help you expand 1 USB 3.0 port of your computer to 3 external USB 3.0 data ports and 2 card slots, in the meantime protect the USB port from frequently plug and unplug.
• 【SuperSpeed Syncing】- Syncing data at blazing speeds up to 5Gbps(USB 3.0) in no time; support SD card (SD, SDHC, SDXC, RS-MMC, MMC Micro) and TF card (Micro SD, Micro SDHC, Micro SDXC), both cards can be read simultaneously.
• 【Compact and portable】- This USB hub is small and easy to carry around, securely protected by its solid body that made of industrial aluminum alloy.
• 【Maximum Compatibility and Performance】- Compatible with Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X (10.x or above), Linux. Fully plug and play, no drivers required and supports hot swapping.
• 【In the Box】- atolla 3-port USB 3.0 hub + card reader, Quick Setup Guide. Guaranteed by bauihr 18-Month Warranty

Card Compatibility

SD card: SD, SDHC, SDXC, RS-MMC, MMC Micro
TF card: Micro SD, Micro SDHC, Micro SDXC

Supported Systems

• Windows: 10, 8.1, 8, 7, Vista, XP
• Mac: OS, X, 10.x(and above)
• Linux

Notes:

1. In order to achieve the fastest transfer speed 5 Gbps, please connect to USB 3.0 version devices, including USB 3.0 ports, USB 3.0 cables, and others.
2. This USB 3.0 hub with card reader is designed for data transferring, not for charging. For a stable connection, the devices connected to the 3-Port USB 3.0 Hub must not exceed a combined current of 5volts 900amp. 
3. External hard-drives should be connected to their own external power source when working on the hub.