Conduct business calls in hands-free, digitally enhanced audio with Plantronics® CS55 wireless office headset. Available in convertible over-the-ear, over-the-head or behind-the-head styles, the CS55 lets employees go where office work takes them up to 300 feet from their desks for 10 hours of unencumbered talk time. As the first headset in the U.S. to implement 1.9GHz voice-dedicated wireless technology, the CS55 delivers uncompromised audio quality and ensures minimal interference from other office wireless systems. An extended boom and noise-canceling microphone enable crystal-clear voice delivery even in loud environments. Built-in answer/end call features let workers control conversations with the touch of a button.


  • Mobile multi-tasking conferring with colleagues, walking to the printer, pouring a cup of coffee need not interrupt important calls up to 300 feet from a desk phone.
  • Voice-dedicated 1.9GHz DECT technology provides uncompromised audio quality and the lowest probability of interference.
  • The CS55 gives workers 10 hours of unencumbered talk time and the option of remote answering,* so they never miss calls when away from the workstation.
  • An extended boom and noise-canceling microphone filter out background noise, so listeners hear conversations clearly.
  • Both stylish and comfortable, the CS55 can be converted to over-the-ear, over-the-head or behind-the-head styles.
  • Experience the audio quality of corded handsets without the tether.
  • The clear audio leader: first headset in the U.S. to offer voice-dedicated 1.9 GHz DECT wireless technology.
  • Latest wireless technology ensures call privacy with digitally encrypted security.
  • One-touch conversation control with built-in volume, mute, and answer/end call features*
  • Employees can answer, end, and mute calls on the headset with the touch of a button*
  • No overnight wait: fully recharge the headset in under three hours, and recharge it 80% in half that time.
  • Online indicator light deters others from interrupting during a call.
  • Reversible, tailored ear loops provide flexibility and hours-long comfort .*with optional HL10 Handset Lifter