PLANTRONICS 88909-01 HD Convertible Headset BNDL PAK 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 baseto 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 Features: Call Control : Yes Convertible Headsets : Yes In/Over Ear Headsets : Yes Monaural or Binaural : Monaural Noise Cancelling : Yes Range - Feet : 350 Wired or Wireless : Wireless Color : Black Dimensions (LxWxH) : 6.
5 x 6.
5 x 7 Weight : 1.
25 lb.