Jabra Biz 2400 II Mono 3-in-1 Headset | QD | NC – 2406-820-205

Product Overview

The Jabra Biz 2400 II Mono 3-in-1 (2406-820-205) is a professional-grade corded headset engineered for contact center excellence. Featuring a versatile 3-in-1 convertible design, this headset can be configured as a headband, ear hook, or neckband to match your preferred wearing style. The noise-canceling microphone with Air Shock technology eliminates background noise and breathing sounds, ensuring crystal-clear voice transmission on every call.

Built for demanding contact center environments, the Biz 2400 II delivers exceptional durability with its Kevlar-reinforced cord and unbreakable 360° FreeSpin boom arm that rotates without risk of damage. At up to 40% lighter than competing headsets, the ultra-lightweight design combined with soft leatherette ear cushions and padded headband provides all-day comfort for extended call sessions.

The Quick Disconnect (QD) connection enables instant connectivity to a wide range of desk phone systems when paired with the appropriate adapter cable. PeakStop hearing protection technology filters out sudden loud sounds above 118dB, safeguarding your hearing while HD Voice delivers superior audio clarity for enhanced customer conversations.

Who Should Use This Product?

Contact Center Agents

Designed for high-volume call environments requiring all-day comfort, superior noise cancellation, and durable construction that withstands demanding daily use.

Customer Service Representatives

Ideal for professionals who spend extended hours on calls and need clear voice transmission, hearing protection, and flexible wearing options.

Office Professionals

Perfect for desk phone users seeking a lightweight, comfortable headset with professional audio quality and reliable connectivity to traditional phone systems.

Why Choose This Product

The Jabra Biz 2400 II Mono 3-in-1 transforms contact center productivity with its versatile 3-in-1 design that lets agents choose their most comfortable wearing style. The ultra-lightweight construction—40% lighter than competing headsets—combined with soft leatherette cushioning reduces fatigue during extended call sessions, enabling more productive customer conversations.

For IT managers and contact center supervisors, the Kevlar-reinforced cord and unbreakable FreeSpin boom arm deliver exceptional durability that lowers total cost of ownership through fewer replacements. PeakStop hearing protection ensures compliance with workplace safety standards while the noise-canceling microphone maintains professional call quality even in busy open-office environments.

Will This Work for Me?

Works With

  • All leading desk phone systems via QD adapter cable
  • PC/Mac softphones via USB adapter (Jabra Link 260, 265, or 280)

Requirements

  • QD bottom cable or adapter for desk phone connection (sold separately)
  • Compatible adapters: Jabra Link 180, 230, 260, 260 MS, 265, or Link 280

Software

  • Jabra Direct (optional, for configuration when used with USB adapter)

Note

This is a QD headset requiring a separate bottom cable or adapter for complete connectivity. For headband-only mono version, see 2403-820-205.

What's in the Box

  • Headset
  • Headband
  • Ear hook (small and medium)
  • Neckband
  • Leatherette ear cushion
  • Headband cushion
  • Clothing clip
  • Carry pouch

Technical Specifications

Primary Attributes

Active Noise Cancellation (ANC): No
Connectivity: Quick Disconnect (QD)
Corded / Wireless: Corded
Headset Speakers: Mono (One Ear)
Warranty: 36 months
Wearing Style: Over the Head, behind-the-ear, Behind the Neck

Biz 2400 II Models (8)

View Jabra Biz 2400 II Mono 3-in-1 Headset | QD | UNC – 2406-720-209
Jabra BIZ 2400 II Mono Ultra Noise Canceling 3-in-1 Headset – 2406-720-209
Jabra logo

BIZ 2400 II Mono 3-in-1 UNC

SKU: 2406-720-209
Condition: New
Stock: 30
Quick Disconnect (QD) Quick Disconnect (QD)
$184.37
$316.00
Save $131.63
(42% off)
View Jabra Biz 2400 II Mono Headset | QD | NC – 2403-820-205
Jabra BIZ 2400 II QD Mono Noise Canceling Headset – 2403-820-205
Jabra logo

BIZ 2400 II QD Mono NC

SKU: 2403-820-205
Condition: New
Stock: 250+
Quick Disconnect (QD) Quick Disconnect (QD)
$166.28
$285.00
Save $118.72
(42% off)
View Jabra Biz 2400 II Duo Headset | QD | NC – 2409-820-205
Jabra BIZ 2400 II QD Duo Noise Canceling Headset – 2409-820-205
Jabra logo

BIZ 2400 II QD Duo NC

SKU: 2409-820-205
Condition: New
Stock: 250+
Quick Disconnect (QD) Quick Disconnect (QD)
$184.37
$316.00
Save $131.63
(42% off)
View Jabra Biz 2400 II Duo Headset | QD | UNC – 2409-720-209
Jabra BIZ 2400 II QD Duo Ultra Noise Canceling Headset – 2409-720-209
Jabra logo

BIZ 2400 II QD Duo UNC

SKU: 2409-720-209
Condition: New
Stock: 17
Quick Disconnect (QD) Quick Disconnect (QD)
$194.28
$333.00
Save $138.72
(42% off)
View Jabra Biz 2400 II Duo Headset | QD | NC | Wideband – 2489-820-209
Jabra BIZ 2400 II Duo NC QD Wideband Headset – 2489-820-209
Jabra logo

BIZ 2400 II Duo NC WB

SKU: 2489-820-209
Condition: New
Stock: 56
Quick Disconnect (QD) Quick Disconnect (QD)
$184.37
$316.00
Save $131.63
(42% off)
View Jabra Biz 2400 II Duo Headset | QD | NC | Wideband | Balanced – 2489-825-209
Jabra BIZ 2400 II Duo NC QD Wideband Balanced Headset – 2489-825-209
Jabra logo

BIZ 2400 II Duo NC WB Balanced

SKU: 2489-825-209
Condition: New
Stock: 35
Quick Disconnect (QD) Quick Disconnect (QD)
$184.37
$316.00
Save $131.63
(42% off)
View Jabra Biz 2400 II Mono 3-in-1 Headset | QD | NC | Wideband | Balanced – 2486-825-209
Jabra BIZ 2400 II Mono 3-in-1 NC QD Wideband Balanced Headset – 2486-825-209
Jabra logo

BIZ 2400 II Mono 3-in-1 NC WB Balanced

SKU: 2486-825-209
Condition: New
Out of Stock
Quick Disconnect (QD) Quick Disconnect (QD)
$175.62
$301.00
Save $125.38
(42% off)
View Jabra Biz 2400 II Mono 3-in-1 Headset | QD | NC | Wideband – 2486-820-209
Jabra BIZ 2400 II Mono 3-in-1 NC QD Wideband Headset – 2486-820-209
Jabra logo

BIZ 2400 II Mono 3-in-1 NC WB

SKU: 2486-820-209
Condition: New
Stock: 10
Quick Disconnect (QD) Quick Disconnect (QD)
$175.62
$301.00
Save $125.38
(42% off)