Allows USB type-A compliant peripheral to connect to your laptop or desktop w/ PCMCIA Slot conveniently and easily. Compliant with USB specification Rev. 2.0 and USB specification Rev.1.1. Compliant with PCMCIA 32bit CardBus specification. Supports data transfer rates of high-speed (480Mbps),full-speed (12Mbps) and low-speed (1.5Mbps). One end is 4 port USB type-A female connector. Another end is PCMCIA type II interface, which is compatible with PCMCIA type II/III slot. Plug & play and hot swapping capability. Easy install & no driver required. Bus-powered mode and no external power required for most of peripherals. External 5V DC jack (USB power cable included) for high current consumption USB devices. Compatible with Windows 98SE/ME/2000/2003/NT4.0/XP/Vista/7/8/Linux. Package Content: 1X Brand New 4 Port USB to PCMCIA Adapter. 1X USB Power Cable.