APT-31 (Tenovis) EHS 37820-11 Computer Headsets mute and volume controls for

mute and volume controls for calls on your laptop or smartphone

satin finish and slim

For use with H series quick disconnect (QD) headsets

Master The Mix

Spare CS361N Headset

APT-31 (Tenovis) EHS 37820-11 Computer Headsets mute and volume controls forThe APT 31 EHS communicates electronically with the phone, eliminating the need for a HL10 lifter. The APT 31 Electronic Hook Switch is fully compatible with the Plantronics Online Indicator (OLI). The EHS cable sends a ringer alert signal to the headset anytime the phone rings, anywhere within a headset's wireless range, allowing you to move freely throughout the office without missing a call.