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Latest release notes

Jabra Biz 2400 II USB BT Duo ›
Jabra Biz 2400 II USB BT Mono ›
Jabra Biz 2400 II USB CC ›

Find the serial number

Find your product serial number before checking the warranty.

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  • How to

    Change the ear cushions

  • How to

    Keep your headset working

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Jabra ServiceNet

Manage your warranty replacements and returns in our online self-service portal

Warranty terms

Read our warranty and service information for business products

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Accessories

  • Jabra Biz2400II Clothing Clips

    x xxx,xx xx(x xxx,xx xx x xxx xxx)

  • Jabra Biz2400II Headband Cushions

    x xxx,xx xx(x xxx,xx xx x xxx xxx)

  • Jabra Headset Hanger PC

    x xxx,xx xx(x xxx,xx xx x xxx xxx)

  • Jabra Headset Hook

    x xxx,xx xx(x xxx,xx xx x xxx xxx)

  • Pouch for Jabra Biz 2300

    x xxx,xx xx(x xxx,xx xx x xxx xxx)

  • Jabra Biz2400 Headband

    x xxx,xx xx(x xxx,xx xx x xxx xxx)

  • Jabra Biz 2400 II Leatherette Ear Cushion (Medium)

    x xxx,xx xx(x xxx,xx xx x xxx xxx)

  • Jabra Biz 2400 II Leatherette Ear Cushion (Large)

    x xxx,xx xx(x xxx,xx xx x xxx xxx)

  • Jabra Biz 2400 II Foam Ear Cushions (Large)

    x xxx,xx xx(x xxx,xx xx x xxx xxx)

  • Jabra Neoprene Pouch

    x xxx,xx xx(x xxx,xx xx x xxx xxx)

This product is compatible with the following devices or systems

  • Deskphone:


    Compatible

  • Softphone:


    Compatible

  • Mobile/Tablet:


    Compatible

  • Compatibility Guide


    Find the right Jabra-product for your device

  2. Jabra Biz 2400 II

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FAQs

  • Bluetooth vs. DECT
  • How wireless headphones work
  • What is a good headset for iPhone?
  • What is a good headset for Skype?
  • Are Bluetooth headsets safe?
  • What is Spatial Sound?
  • Bluetooth vs. DECT
  • How wireless headphones work
  • What is a good headset for iPhone?
  • What is a good headset for Skype?
  • Are Bluetooth headsets safe?
  • What is Spatial Sound?

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Document
Data sheet for the Biz series
Language
  • EnglishEnglish
  • Chinese SimplifiedChinese Simplified
  • GermanGerman
  • Latin American SpanishLatin American Spanish
  • FrenchFrench
  • JapaneseJapanese
  • KoreanKorean
Type
pdf
Size
694.3 KB
Download
Document
Data sheet
Language
EnglishEnglish
Type
pdf
Size
1.3 MB
Download
  • All categories
Do I have audio and call control on my Jabra device when I use it with computer softphones on the Linux operating system?
Do Jabra headsets protect my hearing?
How do automatic firmware updates work in Jabra Direct?
How do I add a voice mail number to my Jabra Biz 2300/2400 II USB using Jabra Direct?
How do I add an emergency number to my Jabra Biz 2300/2400 II USB using Jabra Direct?
Showing 5 of 55
File
Firmware
Platform
WindowsWindows
Language
EnglishEnglish
Release date
2020/11/10
Version
1.14.0
Download
Release note
File
Jabra Direct
Platform
macOSmacOS
Language
EnglishEnglish
Release date
2026/02/12
Version
6.27.03702
Download
Release note