The convenient  PLANTRONICS CS520-XD 88285-01 Wireless Headset has a range of up to 350 feet, a noise-canceling microphone that reduces background noise interruptions, and up to 8.5 hours of talk time for all-day use.

• Range up to 350 feet away for maximum mobility
• Over-the-head binaural design
• Premium wideband audio quality
• One-touch call answer/end, vol +/-, and mute
• Enhanced Digital Signal Processing (DSP) provides more natural-sounding voice
• Smart power management system optimizes for range and talk time
• Conference in up to three additional CS500 XD headsets for enhanced collaboration
• New headsets can subscribe to a base by simply docking the headset
• Use with Electronic Hook Switch Cable or Handset Lifter to remotely answer/end calls

• CS520-XD base
• CS520-XD headset
• Power supply
• Telephone interface cable

Dimensions: 7.3 x 6.6 x 6.5 inches