1.USB Combo 2.0 2.MS, SD/MMC, M2, TF/ ... All in 1 Multiple Card Reader and 3 USB Port :1. High speed 3 Ports USB 2.0 Hub 2. Card Reader (MS/MS Pro Duo ... , XP, Vista, Win7,Mac OS X, and Linux OS4. USB 1.1 compatible5. Windows 98 SE, 2000, ME XP, VISTA, MAC OSX ... , CD-RM drives, Digital Cameras/Camcorder USB Combo 2.0 All in 1 Multiple Card Reader and 3 USB Port