For use with KX-T7700, KX-T7600 and KX-NT Series phones with built-in 2.5mm headset jacks. No "lifter" is required to answer calls. The Plantronics CS55-2.5 wireless headset system combines the clarity of traditional corded technology with the mobility of wireless, so employees can move around the office to wherever business takes them?without interrupting or missing a call. Continuing their tradition as a technology leader, Plantronics presents CS55 as the first headset in the United States to implement 1.9GHz UPCS voice-dedicated wireless technology.
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