Jabra Biz 2400 II MS Teams Duo Headset | USB | CC Controller – 2499-823-309
Stereo corded headset · USB · MS Teams · CC controller
This Product Has Been Discontinued
Discontinued January 2026
Discontinuation Notes
Biz 2400 II USB Series has been discontinued. Closest replacement is the Biz 2300 USB.
Certified Women-Owned
Will this work for me?
View Requirements
Stereo corded headset · USB · MS Teams · CC controller
This Product Has Been Discontinued
Discontinued January 2026
Discontinuation Notes
Biz 2400 II USB Series has been discontinued. Closest replacement is the Biz 2300 USB.
Certified Women-Owned
Will this work for me?
View RequirementsProduct Overview
Built for durability in high-performance contact centers, the Biz 2400 II features a Kevlar-reinforced cord and the signature FreeSpin 360° boom arm that rotates without risk of breaking. The noise-canceling microphone with air shock technology eliminates background noise and breathing sounds, ensuring customers hear your voice clearly. At 40% lighter than competing headsets, the soft leatherette ear cushions and padded headband deliver all-day comfort for extended call sessions.
As a Microsoft Teams certified device, this headset provides plug-and-play integration with automatic device selection, Teams LED notifications on the controller, and native call control support. PeakStop hearing protection and compliance with Noise at Work and G616 standards ensure safe listening levels throughout the workday.
Enjoy seamless plug-and-play integration with Microsoft Teams including automatic device selection, LED notifications on the controller, and native call control support.
- • Automatic default device selection in Teams
- • Microsoft Teams LED notifications on controller
- • Answer/end button integration with Teams
Be heard clearly in busy contact center environments. The advanced noise-canceling microphone with air shock technology filters out background noise and eliminates breathing sounds.
- • Uni-directional noise-canceling microphone
- • Air shock mic filters breathing/popping sounds
- • Microphone bandwidth: 100Hz - 8000Hz
Purpose-built for contact center workflows with dedicated buttons for volume, mute, answer/end, reject, hold, and resume—all within easy reach during calls.
- • Volume up/down buttons
- • Mute on/off toggle
- • Answer/end/reject and hold/resume call
Experience crystal-clear conversations with wideband audio up to 6,800 Hz for voice calls and enhanced HiFi sound up to 16,000 Hz for music playback.
- • Voice frequency range: 100Hz - 6,800Hz
- • Music frequency range: 80Hz - 16,000Hz
- • 30mm dynamic PureSound speakers
Built to withstand demanding contact center environments. The unbreakable boom arm rotates 360 degrees and the Kevlar-reinforced cord resists daily wear and tear.
- • 360° FreeSpin boom arm rotation
- • Kevlar-reinforced cord
- • Gold-plated contacts
Protect your hearing during extended call sessions. PeakStop technology removes harmful loud sounds before they reach your ears, keeping audio within safe levels.
- • PeakStop 118 dBA SPL (RMS)
- • Noise at Work compliant
- • G616 compliant
Who Should Use This Product?
Contact Center Agents
Ideal for high-volume call environments requiring all-day comfort, superior noise cancellation, and dedicated call control buttons for efficient call handling.
Microsoft Teams Users
Perfect for organizations standardized on Microsoft Teams who need certified devices with native integration, LED notifications, and seamless call controls.
Customer Service Representatives
Designed for professionals who spend extended hours on calls and need crystal-clear audio quality, hearing protection, and durable construction.
Why Choose This Product
For IT departments, the USB plug-and-play connectivity eliminates driver headaches while Jabra Direct and Jabra Xpress software enable centralized device management and firmware updates. The Kevlar-reinforced cord and unbreakable FreeSpin boom arm deliver exceptional durability, reducing replacement costs and minimizing downtime. PeakStop hearing protection ensures compliance with workplace safety standards while protecting your team's hearing health.
Will This Work for Me?
Works With
- • Windows, macOS
- • Microsoft Teams (certified), Zoom, Google Meet, Webex, Cisco, Avaya, Genesys Cloud
Requirements
- • USB-A port
Software
- • Jabra Direct / Jabra Xpress (optional, for firmware updates and device configuration)
Note
This is the MS Teams certified variant with Teams LED notifications and native call control. For platform-agnostic UC version, see 2499-829-309.
What's in the Box
- Headset with USB CC Controller
- Large leatherette ear cushions
- Headband cushion
- Carry pouch
- Clothing clip
Technical Specifications
Primary Attributes
Audio
Certifications
Connectivity
General
Microphone
Physical Traits
Software
Biz 2400 II Models (9)
BIZ 2400 II Mono 3-in-1 UNC
Quick Disconnect (QD)
BIZ 2400 II QD Mono NC
Quick Disconnect (QD)
BIZ 2400 II QD Duo NC
Quick Disconnect (QD)
BIZ 2400 II QD Duo UNC
Quick Disconnect (QD)
BIZ 2400 II Duo NC WB
Quick Disconnect (QD)
BIZ 2400 II Duo NC WB Balanced
Quick Disconnect (QD)
BIZ 2400 II Mono 3-in-1 NC WB Balanced
Quick Disconnect (QD)
BIZ 2400 II Mono 3-in-1 NC WB
Quick Disconnect (QD)
BIZ 2400 II Mono 3-in-1 NC
Quick Disconnect (QD)