Allows USB-A compliant peripheral to connect to your computer w/ PCMCIA Slot conveniently and easily. Compact hidden design to save space. Compliant with USB specification Rev. 2.0 and USB specification Rev.1.1. Compliant with PCMCIA 32-bit CardBus specification. Compliant with PCMCIA type II specification. Compatible with PCMCIA type II/III slot. Supports data transfer rates of high-speed (480Mbps),full-speed (12Mbps) and low-speed (1.5Mbps). 2 port USB type-A female connectors available. 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/NT4.0/XP/Server 2003/Vista/7/8/Server 2008/Linux. Package Content: 1X Brand New 2 Port Hidden USB 2.0 PCMCIA Adapter. 1X USB power cable.