PixelFlash Memory Square SD and MicroSD Card Reader (USB/Mini USB) SD Micro SD SDXC SDHC MMC Micro SDXC, Micro SDHC Mac Windows Linux Chrome OMNI-USB - Switch from USB to Micro in one push. Allows transferring of your favorite media from laptop to phone, camera to tablet, and much more! One Connection, No Adapters. Featherweight Micro-modular Design and just slightly larger than a postage stamp! Dual slots for SD, SDHC, SDXC, MMC, and Micro SD/TF. Invincible Connection- 30 micron gold plated connectors Guarantee 10,000+ interactions with your valuable memory cards. Interference Free Functionality - will never cause you to drop a WiFi or Bluetooth connection, Guaranteed. Say Goodbye to RFI Issues. PEACE OF MIND WARRANTY - 3-Year Limited Manufacturer's Warranty