The USB2IRX USB IrDA Adapter delivers cost-effective infrared solution for file transfers between a USB-enabled desktop or laptop computer and an IrDA device. The Fast IrDA (FIR) adapter offers minimal power consumption and is backward compatible with MIR and SIR Infrared devices, delivering data transfer speeds of up to 4Mbps (using FIR-IrDA) between an IR device and the computer.