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2496-823-209 |
Description: | Biz 2400 II USB Mono BT MS - Headset - Head-band - Office/Call center - Black - Silver - Monaural - China |
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

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All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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2496-823-209 Overview
2496-823-209-Biz 2400 II USB Mono BT MS - Headset - Head-band - Office/Call center - Black - Silver - Monaural - China is a professional-grade monaural headset designed for unified communications in office and call center environments. Featuring a single-ear (mono) design, it includes a high-quality noise-cancelling condenser microphone for crystal-clear voice capture and a precision-engineered speaker optimized for speech intelligibility. The headset supports both USB and Bluetooth connectivity, ensuring flexible integration with computers and mobile devices, and making it suitable for both wired and wireless use cases.
This headset delivers a frequency response of 100 Hz – 10 kHz, supporting full-range speech reproduction for natural-sounding conversations. It features advanced DSP for acoustic echo cancellation and noise suppression, delivering consistent audio clarity in busy office settings. Compatible with leading UC platforms, the Biz 2400 II USB Mono BT MS is ideal for office desk setups, call centers, unified communications deployments, and remote work environments, providing all-day comfort with its adjustable headband and lightweight build. The headset is finished in black and silver, and is manufactured in China for durable business-class performance.
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2496-823-209 Specifications
Product Type | Audio Equipment |
Audio Device Type | Headset |
Microphone Type | Condenser |
Speaker Type | N/A |
Form Factor | Portable |
Use Case | Unified Communications |
Channel Configuration | Mono |
Connectivity | USB / Bluetooth |
Input Types | USB |
Output Types | USB / Bluetooth |
Power Output (if Applicable) | N/A |
Power Source | USB-Powered / Battery |
Frequency Response | 100 Hz – 10 kHz |
Signal Processing | DSP / Noise Suppression / AEC |
Audio Codecs Supported | N/A |
Mounting Option | N/A |
Control Interface | Physical Buttons |
Wireless Support | Bluetooth |
Product Name | Biz 2400 II USB Mono BT MS |
Height | 7.0 inches |
Width | 6.1 inches |
Depth | 2.2 inches |
Weight | 0.14 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Audio Codecs Supported | N/A | N/A | N/A | SBC / AAC | N/A |
Audio Device Type | Headset | Headset | Headset | Headset | Headset |
Channel Configuration | Stereo | Stereo | Mono | Mono | Mono |
Connectivity | USB | 3.5mm | USB | USB-C / Bluetooth | USB / Bluetooth |
Control Interface | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons | Physical Buttons |
Depth | 3.07 inches | 2.36 | 2.0 | 2.44 | 2.2 inches |
Form Factor | Desktop | Desktop | Desktop | Portable | Portable |
Frequency Response | 20 Hz – 20 kHz | 20 Hz – 20 kHz (Headset); 100 Hz – 16 kHz (Microphone) | 150 Hz – 7 kHz | 20 Hz – 20 kHz (music), 100 Hz – 8 kHz (speak) | 100 Hz – 10 kHz |
Height | 7.87 inches | 6.89 | 6.8 | 6.38 | 7.0 inches |
Input Types | USB | 3.5mm | USB | USB / Bluetooth | USB |
Microphone Type | Condenser | Condenser | Condenser | Condenser | Condenser |
Mounting Option | Desktop | Desktop | Desktop | Desktop | N/A |
Output Types | USB | 3.5mm | USB | Speaker / USB | USB / Bluetooth |
Power Output (if applicable) | N/A | N/A | N/A | N/A | N/A |
Power Source | USB-Powered | N/A | USB-Powered | Battery / USB-Powered | USB-Powered / Battery |
Product Name | 981-000480-H540 USB Computer Headset - Headset - Head-band - Office/Call center - Black - Binaural - Digital | Logitech H110 Stereo Headset | 2399-823-109-BIZ 2300 USB Microsoft Lync Duo - Headset - Head-band - Office/Call center - Black - Monaural - Button | Jabra Evolve2 65 Link380c UC Mono Black | Biz 2400 II USB Mono BT MS |
Product Type | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment | Audio Equipment |
Signal Processing | DSP / Noise Suppression | Noise Suppression | DSP / AEC / Noise Suppression | DSP / AEC / Noise Suppression | DSP / Noise Suppression / AEC |
Speaker Type | Active | N/A | N/A | Active | N/A |
Use Case | Unified Communications | Unified Communications / Conference Room / Office | Unified Communications / Office / Call Center | Unified Communications | Unified Communications |
Weight | 0.26 lbs | 0.16 | 0.17 | 0.34 | 0.14 lbs |
Width | 8.27 inches | 5.79 | 5.8 | 7.08 | 6.1 inches |
Wireless Support | No | No | No | Bluetooth | Bluetooth |
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