3.5mm to 2.5mm male Adapter for Sennheiser Speakerphone SP 20 and SP 20 ML F/M

3.5mm to 2.5mm male Adapter for Sennheiser Speakerphone SP 20 and SP 20 ML F/M Connect your DECT wireless handset to your Sennheiser Speakerphone Series SP 20 and SP 20 ML Hands-free operation - The freedom to call and work Easy, plug-and-play ...