Polar USB Infrared Interface Unit. For downloading data to PC via infrared. Compatible with Heart Rate Monitors and Cycling Computers that have infrared data transfer CS600, CS400, S725X, S625X, F55, RS800sd, RS800, RS400sd, RS400 and AXN500. Includes IrDa USB 2.0 USB Adapter, Cable, CDROM, User manual, Driver setup, and Two year warranty.
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