Savi® 700-series 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. It can also connect with up to three other Savi headsets on a call, and has a wireless roaming range of up to 120 metres. The headsets feature wideband audio and DSP for high quality, natural sounding call clarity and a single charge of the batteries provides up to nine hours talk time. Once you experience a Savi 700 headset system you’ll wonder how you ever lived without it. With supported softphones, using supplied Plantronics software.