900MHz wireless technology
Hands-free up to 350 feet
Extraordinary sound quality
An adaptive power system optimizes for range and talk time by automatically downshifting to low power when the headset is close to the base to save battery life
Audio controls for volume/mute at your fingertips
Conference in up to three additional CS500 series
Use with electronic hookswitch cable or handset lifter to remotely answer/end calls
Includes extra battery and charging cable.