StarTech.com USB to Fast Infrared (FIR) IrDA Adapter (USB2IRX) Support for Fast IrDA while still backward compatible with MIR-IrDA and SIR-IrDA devices Backed by a StarTech.com 1 year warranty and free lifetime technical support USB 1.1 and IrDA 1.3 compliant (will function in a USB 2.0 port at USB 1.1 speeds) Low power consumption; Powered directly from the USB port Supports SIR and FIR data transfer rates from 2.4Kbps to 4Mbps Works within a communication range of up to 1 meter (3.2 feet) Compact and portable form factor