Introducing the CS540 Wireless Headset System by Plantronics – the new benchmark in DECT wireless headsets designed to elevate your professional communication experience. Utilizing advanced DECT technology, the CS540 delivers superb audio quality while completely eliminating interference from Wi-Fi networks, ensuring that every conversation is crisp and clear. With its contemporary design and an ultra-lightweight headset weighing only 0.74 oz (21 g), it offers unmatched comfort for extended use. The CS540 features one-touch call answer and end, volume control, mute, and flash controls that place all essential functions at your fingertips, making it extremely user-friendly. Experience unparalleled freedom with a wireless range of up to 350 feet, ensuring reliable connectivity throughout large offices or expansive workspaces. The replaceable battery, which charges in just three hours, provides up to seven hours of continuous talk time so you can stay connected without interruption. For enhanced call clarity, the headset comes equipped with a noise-canceling microphone that minimizes background ambient noise, easing listener fatigue during long meetings. Additionally, SoundGuard technology protects against sound levels exceeding 118 dBA, while Anti-startle technology mitigates sudden increases in signal level, ensuring a consistent, comfortable audio experience. Setting up the CS540 is simple; the base unit connects to any desk phone using the included telephone interface cable. New headsets can be effortlessly added by docking them, and the system supports conferencing in up to three additional headsets for superior collaborative communication. Optional accessories such as the Electronic Hookswitch Cable or Handset Lifter enable remote call management. This Bundle Includes: Poly (Plantronics) CS540 Wireless DECT Headset - Single Ear - Convertible (3 Styles) Noise Cancelling Microphone Base Headband Eartips Goby Labs Headphone Cable Fiber Cloth