Part Number Description
CP-HS-W-521-USB= Headset 521 Wired Single 3.5mm + USBA Headset Adapter
CP-HS-W-521-USBC Headset 521 Wired Single 3.5mm + USBC Headset Adapter
CP-HS-W-522-USBC Headset 522 Wired Dual 3.5mm + USBC Headset Adapter
CP-HS-W-531-USBC Headset 531 Wired Single + USBC Headset Adapter