Product Description Product Features Weight: 20g Size: 10 x 5.4 x 0.5cm Fully compliant with USB specification revision 2.0 Supports USB-based ExpressCard/34 devices Support data transfer rate up to 480Mb/s Hot-plug support allows you to connect /remove this Adapter without turning off your system Quickly and easily adapts ExpressCard/34 (USB-based) devices to work through your notebook's CardBus slot Work with USB-based ExpressCard devices including broadband wireless modem (such as CDMA, EV-DO, GPRS, etc.), Flash memory, Flash cards adapters, security, legacy I/O(PS2, serial, parallel), optical disk drives, GPS receivers, and more.. Supports Windows 2000/XP/Server 2003/Vista/Windows 7 Package Includes 1 piece of ExpressCard 34MM to PCMCIA Adapter