The wireless headset savi 440 is ideal for users in business environments like campuses that use the laptop for voice and multimedia applications and allows you to connect to the same call up to four savi headsets savi 440 is the lightest headset available on the market and is part of the range dect handset forefront of plantronics it offers a wireless range of up to 120 meters that allows you to move freely around the office and multi task manage pc voice communications and multi media wher