Plantronics Sound Guard Digital Headset Amplifier

Plantronics Vista M22 Sound Guard Digital Headset Amplifier Increase Sound Quality Superior Sound Clarity Quality acoustic protection Guards Against Volume Spikes and Echoes Compatible with VoIP, Wideband VoIP, PBX Reduces Background Noise Also compatible with telephones that do not allow direct connection of headphones Perfect for those working remotely Great for remote job meetings