– 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
– Noise-cancelling microphone
– Includes extra battery and charging cable