Plantronics SupraPlus SL Binaural wireless headset systemIncludes PL-HL10 handset lifterNew standard in headset performance, reliability and all-day wearing comfortDurable, lightweight headsets designed for contact center and officeprofessionalsImproved sound quality, enhanced stability and an updated, stylish designBusiness-critical reliability and comfortDelivers improved receive-side audio qualityComfort headband and T-Pad design, as well as the bendable noise-canceling microphone boom work to enhance audio quality and the user experienceHeadband twists out of the way for convenient quick call pick upNoise-canceling microphone allows clear conversations in noisy environmentsSet-up: 1) unplug curly handset cord fromtelephone, 2) plug the telephone cord that is attached to the Plantronics base and plug it into thecurly handset cord jack on the telephone, 3) plugcurly handset cord into the handset jack on the Plantronics base, 4) plug AC adapter into an AC outlet and into the Plantronics base's AC charging jackLeatherette ear cushionsBox dimensions: 9.5"L x 7"W x4.5"H1 Year manufacturer's warrantySilverPackage Contents:HeadsetPL-HL10 handset lifterCharging cradle baseTelephone cordAC adapter