Provides high-performance for traditional telephone environmentsLightweight ergonomic and future-proof designIncreased wireless range of up to 325"Enhanced sound performance with new noise canceling microphoneSofter more flexible materials used to enhance wearing style fort for all day usageMonaural earpiece with over-the-ear and over-the-head earpiece designFrequency response: 20kHz 3.50kHzIncludes neckband battery battery charger cradle and GN-1000 remote handset lifter