EPOS | SENNHEISER 3.5mm To 2.5mm Adapter - Mini-phone/Sub-mini phone Audio Cable for Audio Device, Headset, Speakerphone, Microphone - First End: 1 x Mini-phone Audio - Female - Second End: 1 x Sub-mini phone - Male

A 3.5 mm to 2.5 mm adapter cable. Ideal for all users of EXPAND SP 20 variants, in combination with many wireless DECT handsets.

Key Features:

• Offers intense audio compatibility
• Designed to fit with most of the smartphones, gaming devices and much more, 3.5mm mini-phone connector is versatile
• Microphone device support for optimal operation and dependable power supply efficiency to provide uninterrupted, secure usage