Poly CS540 Wireless DECT Headset with HL10 Lifter (Plantronics) - Single Ear (Mono) Convertible (3 wearing styles) - Connects to Desk Phone - Noise Canceling Microphone - Amazon Exclusive

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Overview Brand : Poly Color : Black Ear Placement : Over Ear Form Factor : Over Ear Noise Control : Active Noise Cancellation About this item EXTENDED RANGE AND TALK TIME: The adap tive power system optimizes for range and talk time by automatically downshifting to low power when the headset is close to the base. SOUNDGUARD TECHNOLOGY: SoundGuard acoustic limiting technology protects against Acoustic Shock by limiting sounds to below 118dBA ensuring listening comfort and protection against audio spikes. SUPERIOR AUDIO QUALITY: Your choice of narrow or wideband professional grade audio quality -- choose narrowband to extend talk time or wideband mode to enable clearer conversations. MAXIMUM PROTECTION: The CS540 headset includes DECTTM technology that provides better audio quality and eliminates interference from Wi-Fi networks while calls stay safe and secure. REMOTE ONE-TOUCH CONTROLS: The Poly HL10 handset lifter works with the CS540 wireless headset to enable remote one-button answering of incoming desk phone calls. Show more