<b>Thunderbolt 3 & USB-C Combination</b><br>Unitek USB 3.0 Type-C SD Card Reader is an ideal data storage device for any USB-C or Thunderbolt 3 smartphone or computer. Access data from CF cards to micro SD card, or computer to SD card. The transfer Rate is up to 5Gps. <br>Thunderbolt 3 is the same port type as USB-C. Please check for updated Thunderbolt 3 drivers from your computer manufacturer for the best performance <br><b><br>OS Compatibility</b><br>- Windows 8 and above<br>- Mac OSX 10.1 and above<br>- Android 6.0<br><b><br>Card Reader Specifications</b><br>Host Connector: Type-C Male<br>Card Reader Slots: microSD, SD, CF<br>Housing dimensions 2.44 x 2.24 x 0.59 in.<br>Weight: 2.2 oz.<br>Cable length: 12 in / 1 feet / 30CM <br><br><b>Note</b>: Actual read/write data rate is limited by the memory card speed rating<br><b><br>