iFlash USB 2.0 SDHC/SDXC Card Reader/Writer support SanDisk Kingston 64GB 32GB UHS-I SDXC, SDHC, SD, MMC, Ultra SDXC, Extreme SDHC - Retail Package (Card Reader Only, NOT including Memory Card) Easy to take, use and install, no additional software installation required. High Speed USB 2.0 interface, backward compatible with USB 1.1. Subject to the speed of memory card itself upto USB2.0 Speed Powers via USB port, no additional power supply needed. 1 year manufacturer warranty