Poly CS540 Plantronics Wireless Convertible Headset System - Mono - Wireless - Dect - 350 Ft - Over-the-head, Over-the-ear, Behind-the-neck - Monaural - Semi-open - Noise Cancelling Microphone - Black, Silver

- Plantronics convertible headset- Lightest DECTr wireless headset on the market- Choice of up to three* comfortable, customizable wearing styles- Elegant magnetic headset docking- Gain mobility - multitask, hands-free up to 350 feet- One-touch call answer/end, vol +/-, mute and flash controls- Energy efficient adaptive power system optimizes for range and talk time- Conference in up to three additional CS500 or Savi headsets for enhanced collaboration- New headsets can subscribe to a base by simply docking the headset- Use with Electronic Hookswitch Cable or Handset Lifter to remotely answer/end calls- Advanced wideband audio using CAT-iq technology for high definition voice quality- Voice-dedicated DECTr technology eliminates Wi-Fi interference- Noise-canceling microphone reduces background noise interruptions- Enhanced Digital Signal Processing (DSP) provides more natural voice sounds- Spare battery: PL-86180-01- Check Accessories tab for spare parts