Poly CS540A DECT 1920-1930 MHz Headset TAA

Hands-free productivity|TheCS540 convertible DECT™ headset provides professional performance so you can get more done - even on the move. The noise-canceling mic reduces background noise interruptions, ensuring great audio quality and easing listener fatigue.Give everyone more freedom to move |Everyone in the office could use more flexibility. Let them roam confidently up to 400 ft from the headset base. They'll be able to collaborate simply since teams can conference up to four headsets on a single base.The choice is yours|There's more than oneway to make a call - switch up styles to find your groove and introduce your ears to something new. TheCS540 convertible design comeswith threewearing options: over-the-ear, over-the-head, behind-the-head .It's just easy |Simplify desk phone managementwith headset audio controls and adding eitherthe HL10 Handset Lifter or Electronic Hook SwitchCable (EHC) forremote call capabilities.Extended range and talk time |The adaptive power system optimizes for range and talk time by automatically downshifting to low power when the headset is close to the base - saving battery life and maintaining maximum density.SoundGuard technology |SoundGuard acoustic limiting technology protects against Acoustic Shock by limiting sounds to below118dBAensuring listening comfort and protection against audio spikes.Superior audio quality |Your choice of narrowband audio to extend talk time or advanced wideband audio for high - definition voice quality. Enhanced Digital Signal Processing (DSP) provides more natural sound, delivering clear audio the way it's intended to be heard.