Plantronics APP-51 Electronic Hook Switch (EHS) for Savi Office and CS500 Range Category_Best4Headsets/Jabra Headsets/Jabra Evolve Range 1:1 external sound reproduction -

1:1 external sound reproduction - does not amplify ambient sound

allowing users to concentrate fully on the conversation with their client

U94A/U - PTT Socket

Avaya 9670

EPOS | SENNHEISER ADAPT 130 USB-A II Headset

Plantronics APP-51 Electronic Hook Switch (EHS) for Savi Office and CS500 Range Category_Best4Headsets/Jabra Headsets/Jabra Evolve Range 1:1 external sound reproduction -Answer 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.