Plantronics (Poly) USB-A to USB-C adapter, part number 209505-01. Description: Spare adapter, USB Type A (female) to USB Type C (male). Manufacturer: Plantronics (now Poly). Part Number: 209505-01. Typical use: Often included with professional headsets (e.g., Poly Voyager Focus 2, Blackwire 5220) to ensure connectivity across both USB-A and USB-C ports
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