Sennheiser CEHS-MB 01 - Headset Accessory - Black

The CEHS–MB 01 is an adapter cable for mobile phones.\nThe CEHS-MB 01 is compatible with the wireless office headsets by Sennheiser Communications.\n\nFeatures\nReplace the traditional desk phone with your mobile phone\nHandle all calls by the press of a single button, i.e. end the call\nGet notified from the distance about incoming calls by the ring tone in the headset