1.Can read and insert Micro SD+T-FLASH etc Quick memory card, and without adapter; 2.USB socket, USB 2.0 USB1.1 compatibal,Digital transmit speed attached to 480Mb/seconds,no need extro power, LED display.3.attach a convenience item to hang a ring4.System requirements: Windows98, ME, 2000, XP, Vista Or higher edition

USB 2.0 SD/MMC/RS-MMC, MS ,TF, M2