The GN 9350e is the ultimate wireless office headset! For use with both traditional desk telephones and VoIP telephony, the dual connection GN 9350e always meets your needs. With a range of up to 350 ft, you can roam the length of your workplace. Up to 9hr of talk time provides a full day of conversation, while an optional spare battery provides around the clock talk time (24x7). Its Digital Signal Processing (DSP) technology removes sound impurities from the incoming audio, enriches sound quality and maintains a safe consistent volume level. The GN 9350e's sleek boom arm with enhanced noise-canceling microphone means your voice is transmitted clearly in most environments. When used with VoIP telephony applications, GN 9350e is the first wireless headset to provide wideband audio, with an astounding 6.8 kHz range - twice that of conventional telephony. Three wearing styles provide all day comfort! This product comes bundled with GN 1000 Lifter.