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Cisco Systems 521WIRED Single 3.5MMPLUS USBC

Cisco Systems CP-HS-W-521-USBC

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Model 521

Manufacturer Part#  CP-HS-W-521-USBC

UPC Code: 889728266031

Provantage Code:  CSCT11Q

Condition:  Factory New

  • Product Type: Headset
  • Connectivity Technology: Wired
  • Earpiece Design: Over-the-head
  • Form Factor: Supra-aural
  • Product Model: 521
  • TAA Compliant: No

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Cisco Systems CP-HS-W-521-USBC Specifications

    521WIRED Single 3.5MMPLUS USBC


    The Cisco Headset 500 Series is a professional range of wired and wireless headsets optimized for Cisco IP phones and soft clients.

    These headsets are designed for workers in open work spaces so they can be more productive. They feature vibrant audio, powerful noise isolation, and exceptional comfort.

    Product overview

    The Cisco® Headset 500 Series delivers surprisingly vibrant sound for open workspaces. Users can stay focused in noisy environments with rich sound, exceptional comfort, and proven reliability. The 500 Series offers a lightweight form factor that is comfortable to wear, even for an entire workday. It's designed for workers who spend a lot of time wearing headsets for voice communications and listening to music.

    The Headset 500 Series offers:

    • Lightweight comfort that is ideal for extended wear
    • Premium sound in a sleek form factor - great for music and voice communications
    • Powerful noise isolation with unidirectional microphones that are designed to hone in on the user's voice and simultaneously minimize background noise
    • Easy, intuitive user configuration experience when used with Cisco IP phones
    • Extended Digital Enhanced Cordless Telecommunications (DECT) range (300+ feet) with wireless models
    • Flexible options for connecting to devices: various models support USB, RJ, 3.5 mm, DECT, and Bluetooth connections
    • Proven reliability and integrations for Cisco IP phones, Cisco DX Series endpoints, and Cisco soft clients
    • Easy device management and automatic firmware upgrades when used with Cisco Unified Communications Manager


Product Name521WIRED Single 3.5MMPLUS USBC
Manufacturer Part NumberCP-HS-W-521-USBC
Product TypeHeadset
Earpiece DesignOver-the-head
Earpiece TypeMonaural
Minimum Frequency Response50 Hz
Maximum Frequency Response18 kHz
Microphone DesignBoom/On-cable
Product Family500
Connectivity TechnologyWired
Form FactorSupra-aural
Sound ModeMono
Host InterfaceMini-phone (3.5mm)
Country of OriginChina
Product Series500
Product Model521
Impedance90 Ohm
Microphone TechnologyUni-directional



Sound Pressure Level118 dB(A)
Limited Warranty2 Year
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Cisco Systems Model 521 CP-HS-W-521-USBC