The Savi 700-series wireless headset will intelligently manage your PC- mobile- and desk-phone calls and automatically update your UC presence status so that colleagues can see your availability. Connect with up to three other Savi headsets on a call. Wireless roaming range of up to 120 metres. Headset features wideband audio and DSP for high quality natural sounding call clarity. Talk time up to 9 hours on a single charge.