Manufacturer’s Description

CS540 Wireless Headset for Polycom SoundPoint IP Phones Now it's lighter. At only 21 grams the CS540 features the lightest DECT headset on the market. That means all-day comfort for all-star performance. And now it's better. Increased range for maximum mobility one-touch controls energy efficient power management simple plug-and-talk installation -- the CS540 does it all. New: CS540 Wireless Headset Features Range up to 350 feet away for maximum mobility DECT technology provides better audio eliminates interference from Wi-Fi networks Up to 7 hours talk time Convertible from over-the-ear to over-the-head - tailored for comfort Premium wideband audio quality noise-canceling microphone One-touch call answer/end volume up/down mute and flash controls Smart power management system optimizes for range and talk time New headsets can subscribe to a base by simply docking the headset Includes Electronic Hookswitch Cord for remotely answering and ending calls Compatibility Polycom SoundPoint IP 320/321 330/331 430 450 550 560 650 670 Warranty New - 1 Year Manufacturer Like New - 90 Day MetrolineDirect

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