Plantronics CS55 wireless headset use the new 1.9 GHz voice-dedicated frequency which provides users with strong sound quality for optimal voice and hearing clarity. Using the new voice-dedicated 1.9 GHz DECT standard frequency, business professionals don't have to worry about interference from nearby Wi-Fi networks, cordless telephones, and other wireless office equipment common on other frequencies. The result is a less crowded radio frequency that provides superior audio clarity with no interruptions.

The Plantronics CS55 shares the sleek, self-contained design of the award-winning CS50 headset, including its extended boom with brilliant voice clarity and noise-canceling technology — perfect for busy office environments with background noise. When you’re away from your desk, you're still in touch to think and talk on your feet, either answering or ending a call with the touch of a button with the optional Plantronics HL10 Lifter.

• New! Enhanced 1.9 GHz DECT frequency and noise-canceling microphone
• 10 hours of hands-free talk time, 50 hours of standby time.
• 64-bit digital encryption
• Lithium Ion Polymer battery
• Up to 300 feet roaming distance from office phone
• Fully recharge the headset in less than three hours. 80% recharged in 1.5 hours
• Headset only weights 26 grams
• comes with both over-the-ear and over-the-head wearing attachments.
• Quickly mute the microphone with the touch of a button
• Answer and end calls when you’re away from your desk with the touch of a button (requires a Plantronics HL10 liftersold separately