The Quick Disconnect Cable to 2.5mm from Plantronics features a 2.5mm plug and three conductors that connect to an H series quick disconnect headset. This adapter allows you to hear and talk using your Plantronics headset and a 2.5mm compatible device such as mobile phones, office telephones, and more. In addition, it features a 10' (3m) coiled cable that reduces clutter.

Features:

• Plugs into your telephone's built-in 2.5 mm headset port
• Connects your SoundPoint IP phone to compatible Plantronics wired headsets

Compatibility:

• Polycom SoundPoint IP 320, 321, 330, and 331 running SIP software 3.0 or later
• Plantronics DuoPro - H151, H151N, H161N, H171. H171N, H181, H181N
• Plantronics DuoSet - H141, H141N
• Plantronics Encore - H91, H91N, H101, H101N
• Plantronics EncorePro - H291N, H301N, HW510, HW510V, HW520, HW530, HW540, HW710, HW720
• Plantronics Mirage - H41, H41N
• Plantronics SupraPlus - H251, H251N, H261, H261N
• Plantronics SupraPlus Wideband - HW251, HW251N, HW261, HW261N
• Plantronics Tristar - H81, H81N