main parameter Flash card type: CF card, MicroSD card, MS card, M2 card, MS card, SD card Input interface: USB 2.0, compatible with USB 1.1 System platform: Windows Me/2000/XP/or MAC OS 8.6, 9. X and above versions, Windows 98 requires a driver, which can be downloaded from the website Dimensions: 70mm (L) x40mm (W) x11mm (H) Random attachment card reader/USB universal data cable/PVC packaging Product features: USB 2.0, high transfer rate up to 480Mbps, support for hot plugging, plug and play function USB2.0 All in 1 CARD READER/WRITER /USB interface 4-slot flash drive, erasable: CF / CF II / MD / MS / MS-PRO / MS-DUO / MS-PRO-DUO / MS-MG / MS-PRO- MG/MS-ROM/SD/MMC/MMCII/Mini SD/RS-MMC/T-Flash/SM Cards and other memory cards /You can quickly browse and edit files directly on the flash drive /Easy to carry, download, and upload, with a transmission bandwidth of up to 480Mbps /Supply the required driver power for the flash drive through USB /Support hot swapping /There are LED lights that can display read and write status /System environment: Operating temperature: 0 ° C to 70 ° C /Storage temperature: 10 ° C to 90 ° C