USB to IrDA Adapter for Windows PCs (Windows 10/8/7/Vista/XP/2000/ME/98/98SE, MAC OS 10.5-10.9, Linux 2.6.x-3.x) - EZ CARDIO HELP
IrDA USB Adapter MOSCHIP MCS7780 Polar
Ftdi Ft232rq Usb To Irda Near Infrared Ir Magnetic Adapter Cable For Electricity Meter,gas Meter,water Meter Reading Data - Pc Hardware Cables & Adapters - AliExpress
Fast USB 2.0 Infrared Adapter up to 4Mbps
Zoll USB IrDA Adapter – MEDwheels Inc.
Cables Unlimited USB to IrDA Adapter - White - QVC.com