Plantronics M12 Vista Universal Amplifier

The Plantronics M12 vista universal amplifier connects Plantronics headsets to just about any modular single or multi-line phone. This model offers ergonomically designed volume, headset/handset and mute controls. It connects Plantronics headsets to most single or multi-line telephones.
M12 Features:
Phone Headset Amplifier
Adjustable Incoming / Outgoing Volume
Connect to Most Single / Multi-Line Phones
Switch Between Headset & Handset
For Use with Office Telephones