- 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 This product ships in approximately 1 days