What items are included in the Jabra Biz 2400 II Mono USB package?

The kit contains the mono headset, detachable foam ear cushion, leatherette ear cushion, headband cushions and quick-disconnect cable.

What wearing styles are supported by this headset?

You can wear it over-the-head with an adjustable steel-reinforced headband or position the ear hook and ear gel for a single-ear fit.

How do I mute the microphone during a call?

Press the dedicated mute button on the inline controller; the red busy light illuminates to confirm mute status.

How can I adjust the fit for maximum comfort?

Slide the headband to customize crown fit, rotate the microphone boom and choose between foam or leatherette cushions.

Is the Jabra Biz 2400 II Mono USB certified for unified-communication platforms?

Yes, it is UC-certified for Skype for Business, Cisco, Avaya and all major softphone applications.

What warranty does Jabra offer for this headset?

Jabra provides a two-year global warranty covering defects in materials and workmanship under normal use.

What frequency range and speaker sensitivity does this headset deliver?

It offers a wideband audio range of 150 Hz–6.8 kHz and a speaker sensitivity of 118 dB ±3 dB for clear, natural sound.

How should I clean and maintain the headset?

Use a soft, lint-free cloth with mild alcohol solution, avoid liquids entering the hardware and store it in a dust-free area.

Is the microphone boom flexible and durable?

Yes, the boom arm is reinforced with steel wire for reliable positioning and long-term durability.

Can I use this headset with a desk phone or smartphone?

Yes, the 3-in-1 quick-disconnect cable supports USB-A, desk-phone interface and 3.5 mm mobile connectivity with optional adapters.

What are the advantages of the mono version vs. the duo version?

The mono model provides situational awareness and reduced fatigue while maintaining professional call clarity in one ear.

Where can I purchase replacement parts for the Jabra Biz 2400 II Mono USB?

Replacement cushions, cables and headbands are available through authorized Jabra resellers or the official Jabra online store.

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2496-829-309

Name: JABRA BIZ 2400 II MONO USB 3-1 NC CC UC
Brand: Jabra
SKU: 2496-829-309
Rating: 4.2 (5 reviews)

Description:: JABRA BIZ 2400 II MONO USB 3-1 NC CC UC
Rating:: 4.2(5)
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Brand:: Jabra
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2496-829-309 Overview

2496-829-309-JABRA BIZ 2400 II MONO USB 3-1 NC CC UC is a professional wired mono headset designed for unified communications and call center environments. Featuring a high-quality noise-cancelling condenser microphone and wideband audio speaker, this headset connects via USB, ensuring crystal-clear digital audio transmission for both input and output. Its mono channel configuration allows for single-ear listening while maintaining awareness of surroundings in dynamic office settings.

This headset offers advanced DSP (Digital Signal Processing) technology for superior voice clarity and integrates best-in-class noise cancellation to reduce background distractions. With a frequency response ranging from 100 Hz to 10 kHz (microphone) and 80 Hz to 16 kHz (speaker), the Jabra BIZ 2400 II Mono USB is optimized for speech. It is fully compatible with unified communications platforms and leading softphones, making it ideal for deployment in boardrooms, meeting spaces, call centers, and UC setups requiring reliable, high-performance audio solutions.

2496-829-309 price is is available on request. Get immediate quote.

Request bulk order quote for 2496-829-309 for additional pricing. Browse the full Headsets series or explore all Jabra products.

2496-829-309 Specifications

Product Type: Audio Equipment
Audio Device Type: Headset
Microphone Type: Condenser
Speaker Type: N/A
Form Factor: Desktop
Use Case: Unified Communications / Conference Room / Call Center
Channel Configuration: Mono
Connectivity: USB
Input Types: USB
Output Types: USB
Power Output (if applicable): N/A
Power Source: USB-Powered
Frequency Response: 80 Hz – 16 kHz (Speaker) / 100 Hz – 10 kHz (Microphone)
Signal Processing: DSP / Noise Suppression
Audio Codecs Supported: N/A
Mounting Option: Desktop
Control Interface: Physical Buttons
Wireless Support: No
Product Name: Jabra BIZ 2400 II Mono USB 3-1 NC CC UC
Height: 8.26
Width: 6.69
Depth: 2.0
Weight: 0.11

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

Product Comparison Table

	2496-829-309	7599-838-199	2399-823-189	4999-829-409	930-29-509-101
Product Type	Audio Equipment	Audio Equipment	Audio Equipment	Audio Equipment	Audio Equipment
Audio Device Type	Headset	Headset	Headset	Headset	Headset
Microphone Type	Condenser	Condenser	Condenser	Boom / Noise-Cancelling / N/A	Condenser
Speaker Type	N/A	Active	N/A	N/A	N/A
Form Factor	Desktop	Portable	Desktop	Desktop	Desktop
Use Case	Unified Communications / Conference Room / Call Center	Unified Communications	Unified Communications / Conference Room / Call Center / Meeting Space	Unified Communications / Conference Room / Office	Conference Room / Unified Communications / Meeting Spaces / Office
Channel Configuration	Mono	Stereo	Stereo	Stereo	Stereo
Connectivity	USB	USB / Bluetooth	USB-C	USB	USB / DECT
Input Types	USB	USB / Bluetooth	USB-C	USB	USB
Output Types	USB	3.5mm / Bluetooth	USB-C	USB	USB
Power Output (if applicable)	N/A	N/A	N/A	N/A	N/A
Power Source	USB-Powered	Battery / USB-Powered	USB-Powered	USB-Powered	Battery / AC Adapter
Frequency Response	80 Hz – 16 kHz (Speaker) / 100 Hz – 10 kHz (Microphone)	20 Hz – 20 kHz (music), 150 Hz – 6.8 kHz (calls)	100 Hz – 10 kHz	Headset: 20 Hz – 20 kHz; Microphone: 150 Hz – 7 kHz	150 Hz – 6.8 kHz
Signal Processing	DSP / Noise Suppression	DSP / AEC / Noise Suppression / AGC	DSP / Noise Suppression	DSP / AEC / Noise Suppression	DSP / AEC / Noise Suppression
Audio Codecs Supported	N/A	SBC	N/A	N/A	N/A
Mounting Option	Desktop	N/A	Desktop	Desktop	Desktop
Control Interface	Physical Buttons	Physical Buttons	Physical Buttons	Physical Buttons	Physical Buttons
Wireless Support	No	Bluetooth	No	No	RF
Product Name	Jabra BIZ 2400 II Mono USB 3-1 NC CC UC	Jabra Evolve 75 UC Stereo Headset Head-band Bluetooth Black (7599-838-199)	Jabra BIZ 2300 Duo USB-C MS (2399-823-189)	Jabra Evolve 20 SE Stereo UC Leatherette	930-29-509-101-PRO 930 DUO Headset beidohrig schnurlos, DECT - Headset
Height	8.26	6.89	6.97	6.6	6.2
Width	6.69	7.09	7.24	7.1	6.8
Depth	2.0	2.32	2.36	2.0	2.3
Weight	0.11	0.42	0.11	0.33	0.18

Reviews & Ratings

Brandon Harrington

Mono USB headset delivering balanced audio and reliable clarity.

Jordan Whitaker

Comfortable fit with dependable UC compatibility.

Nathan Holloway

Strong build quality supporting heavy office usage.

Connor Langford

Clear voice transmission during long meetings.

Ryan Prescott

Professional communication tool with consistent reliability.

Questions & Answers

What operating systems is the Jabra Biz 2400 II Mono USB compatible with?

The headset is plug-and-play compatible with Windows 10, Windows 11, Mac OS 10.11+ and most major softphone platforms.

How do I connect the Jabra Biz 2400 II Mono USB to my computer?

Simply plug the USB-A connector into any available USB port—no drivers required for basic audio and call-control functions.

What noise-cancellation technology does this headset use?

It features a state-of-the-art triple-microphone noise-canceling boom that filters out background noise for clear voice transmission.

Which call-control features are integrated on the inline controller?

The controller provides one-touch answer/end, mute toggle, volume up/down and busy-light indication for efficient call handling.

Related Searches Headsets

2499-823-309 2486-825-209 2406-720-209 2489-820-209 2393-829-109 2393-829-189 2409-820-204 1553-0159

2496-829-309 Overview

2496-829-309 price is is available on request. Get immediate quote.

Request bulk order quote for 2496-829-309 for additional pricing. Browse the full Headsets series or explore all Jabra products.

2496-829-309 Specifications

Product Type

Audio Equipment

Audio Device Type

Headset

Microphone Type

Condenser

Speaker Type

N/A

Form Factor

Desktop

Use Case

Unified Communications / Conference Room / Call Center

Channel Configuration

Mono

Connectivity

USB

Input Types

USB

Output Types

USB

Power Output (if applicable)

N/A

Power Source

USB-Powered

Frequency Response

80 Hz – 16 kHz (Speaker) / 100 Hz – 10 kHz (Microphone)

Signal Processing

DSP / Noise Suppression

Audio Codecs Supported

N/A

Mounting Option

Desktop

Control Interface

Physical Buttons

Wireless Support

Product Name

Jabra BIZ 2400 II Mono USB 3-1 NC CC UC

Height

8.26

Width

6.69

Depth

2.0

Weight

0.11