Poly CS 540 - Headset - convertible - DECT - wireless - with Plantronics HL10 Handset Lifter Poly | 84693-12

First we made it lighter. At only 21 grams, the CS500 Series features the lightest DECT headset on the market (CS540). That means all-day comfort for all-star performance.
Then we made it better. Increased range for maximum mobility, one-touch controls, energy efficient power management, simple plug-and-talk installation the CS500 Series does it all.
Make a good call with the new standard in wireless desk phone headset systems.
Range up to 350 feet away for maximum mobility
Offers you a choice of four comfort-tested wearing options to match your personal style
Premium wideband audio quality
One-touch call answer/end, vol +/-, and mute
Adaptive power management system optimizes for range and talk time
Conference in up to three additional CS500 or Savi headsets for enhanced collaboration
Guest headsets can subscribe to a base by simply docking the headset
Use with Electronic Hook Switch Cable or Handset Lifter to remotely answer/end calls.