Wireless handsets, equipped with a 2.5mm headset interface to the Sennheiser Speakerphone Series SP 20 and SP 20 ML.
Interface | Stereo |
Technology | 3.5mm |
Port type | Male |
No of connectors | 1 |
Interface | Stereo |
Technology | 2.5 mm |
Port type | Female |
No of connectors | 1 |