U2IrDA Mini 4 Mbps FIR USB IrDA 2.0 is a compact adapter designed to add wireless infrared communication capabilities to computers via a standard USB port. It is primarily used for synchronizing data or transferring files between a PC and older IrDA-enabled devices like PDAs, cell phones, medical instruments, and dive computers. StarTech.com Key Specifications & Features Adaptador USB 2.0 da Irda (novo) para Windows 7 - Amazon

Why would you need an infrared adapter today? You'd be surprised how much equipment still relies on it: IrDA-USB Adapter инфракрасный порт Espada

Medical Devices: Downloading data from blood glucose monitors or heart rate trackers.

While newer wireless technologies like Bluetooth and Wi-Fi have largely replaced consumer infrared, the U2IrDA Mini remains essential for specific professional and legacy applications. IrDA Tutorial - ACTiSYS Corporation

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