Poly CS540 + HL10 Wireless Headset 84693-11 The Plantronics CS540 is a lightweight wireless headset that provides up to three flexible wearing styles. It features secure DECT wireless technology with excellent range and talk-time and offers crystal clear wideband audio. The CS540 can easily be converted from a comfortable over-the-head style (headband) to an inconspicuous over-the-ear style (earloops and eartips). It also offers an optional neckband for a behind-the-neck wearing style. The CS540 is compatible with a multitude of desk phones and offers one-touch remote call control through an additional Electronic Hook Switch (EHS) cord or handset lifter. This bundle includes the Plantronics HL-10 Handset Lifter and provides one-touch remote call control to desk phones that do not accommodate a compatible Electronic Hook Switch (EHS) cord. 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 Optional neckband provides additional behind-the-neck wearing style 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 Compatibility Compatible with a wide variety of desk phones Included HL10 handset lifter allows for remote answer/end Includes Plantronics CS540 w/installed earloop and eartip (medium size) Wireless base station Headband Earloop and eartip kit (small and large additional sizes) Telephone interface cable Power supply Plantronics HL10 Handset Lifter w/extender arm and ring detector