Lindy USB Infrared Adapter, USB, 48 mm, 91 mm, 18 mm, SIR, MIR, FIR, Windows ME/2000/XP/Vista Lindy USB Infrared Adapter. Host interface: USB. Width: 48 mm, Depth: 91 mm, Height: 18 mm. Data link protocols: SIR, MIR, FIR, Compatible operating systems: Windows ME/2000/XP/Vista