Plantronics APP-50 Electronic Hook Switch (EHS) for Savi Office and CS500 Range Category_Best4Headsets/Special Environment/Ear Defenders by Industry/Aviation Headsets Encrypted full duplex communication between

Encrypted full duplex communication between headsets

the Plantronics Savi HL10 will not work with your phone system

Monaural (Covers one ear)

Smart Mic - Wear on either side

1 x User Manual

Plantronics APP-50 Electronic Hook Switch (EHS) for Savi Office and CS500 Range Category_Best4Headsets/Special Environment/Ear Defenders by Industry/Aviation Headsets Encrypted full duplex communication betweenAnswer and end calls from up to 300 feet away from your phone The freedom to move about the office and multi task Comaptible with the Savi Office and CS500 Range of Cordless Headsets. Connects with one simple step Note: * These phones require 2. 5mm to RJ11 converter, which is supplied separately.