Poly U10-S19 headset cable with quick disconnect. The 38340-01 or U10S-19 headset cable is a lower adaptor cable which connects corded QD Plantronics or Poly call center headsets to modular phone jacks. The 38340-01 or U10S-19 is typically used to connect Plantronics or Poly headsets to Mitel compatible business phones.
U10S-19 Headset Cable | 38340-01
Headset Cable for Mitel Phones