Sennheiser CEHS-PO 01 (EHS) cable for Polycom VoIP Phones - This cable is compatible with:

Sennhesier DW Office, DW Office ML, DW Office Phone, DW Pro 1, DW Pro 1 ML, DW Pro 1 Phone, DW Pro 2, DW Pro 2 ML, DW Pro 2 Phone, SD Office, SD Office ML, SD Pro 1, SD Pro 1 ML, SD Pro 2, SD Pro 2 ML and D 10 Phone.  part# 504104

This cable works with the following Polycom telephone models:

• SoundPoint IP 335
• SoundPoint IP 430
• SoundPoint IP 450
• SoundPoint IP 550
• SoundPoint IP 560
• SoundPoint IP 650
• SoundPoint IP 670
• VVX 300/310
• VVX 400/401
• VVX 410/411
• VVX 500/501
• VVX 600/601
• VVX 1500

Do not order this part if you don't have any of these headset models.

For more information see Sennheiser CEHS-PO 01 datasheet and user guide