Plantronics CS520 binaural (speakers cover both ears) wireless headset with traditional over-the-head style for stability, and comfortable donut-shaped leatherette ear cushions. Replaces former model CS361N Supra Plus. Offers extended range (350 ft) and noise cancelling microphone. Provides convenient mute, talk button and volume controls on earpiece. Superb sound quality! Works with just about any corded desk telephone. Up to 9 hours continuous talk time on a full charge. For remote call answering capability while away from your desk, please select the HL10 automatic handset lifter below. (Some phones can use an electronic hookswitch
instead of the lifter. Please don't hesitate call (800)333-0020 or email
for assistance.) 1-year factory warranty.
Bottom of base is marked C052 or CO52