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Black over-the-head stereo headset with circumaural ear cups and inline USB control unit

Jabra Enterprise Products

Jabra Enterprise Products Evolve 20 MS Stereo Black USB wired headset 4999-823-109

SKU CH-2C21-B3EZ3 MPN 4999-823-109

A wired stereo headset with USB call-control unit for easy call management and all-day comfort

  • TypeStereo Headset
  • ColorBlack
  • Compatible Phone ManufacturerUniversal
  • Wearing StyleOver-the-Head
  • Ear CouplingCircumaural
  • ConnectorUSB
  • Clearer calls with professional-grade audio quality
  • Easy call control via inline USB controller unit
  • Comfortable all-day wear with circumaural ear cushions
  • Quick plug-and-play setup through USB connection
  • Certified for Skype for Business and leading UC platforms

Jabra Evolve 20 MS Stereo USB headset

The Jabra Evolve 20 MS Stereo is a wired USB headset built for professionals who spend long hours on calls and need a simple way to manage them from a desktop control unit. It connects directly to a PC without extra drivers and works with major unified communications platforms out of the box. Over-the-head circumaural cushions provide all-day comfort for continuous wear.

Sustained comfort and call clarity over long

The lightweight frame weighs 6.04 oz and uses leather-feel ear cushions that stay comfortable through back-to-back meetings. The noise-cancelling microphone reduces background chatter so the other party hears you clearly even in a noisy open office. USB power from the PC means there is no battery to run down during an extended workday.

USB plug-and-play limits and cable reach

The headset draws power and audio over a single USB connection, so it is limited to devices with a compatible USB port and operating system support. Total reach from the PC is set by the control cable at 3.12 ft and the headset cable at 3.94 ft, which together define how far you can sit from the host machine.

Highlights

  • Clearer calls with professional-grade audio quality
  • Easy call control via inline USB controller unit
  • Comfortable all-day wear with circumaural ear cushions
  • Quick plug-and-play setup through USB connection
  • Certified for Skype for Business and leading UC platforms

Specifications

BrandJabra
SeriesEVOLVE 20 MS Stereo
Model4999-823-109
TypeStereo Headset
ColorBlack
Compatible Phone ManufacturerUniversal
Wearing StyleOver-the-Head
Ear CouplingCircumaural
ConnectorUSB
Cable LengthControl cable: 3.12 ft., HS cable: 3.94 ft.
Power RequiredUSB power supply by PC
SpecificationsWhats in the box:
Jabra Evolve 20 headset, warning leaflet, warranty leaflet, quick start guide, USB controller, plastic bag for controller, plastic bag for headset, certified for Skype for Business sticker (refer to BOM), foam bag for the left earcup of the stereo headset only
Audio:
Headset bandwidth: Wideband
Speaker bandwidth Music mode: Wideband
Speaker bandwidth Speak mode: Wideband
Microphone bandwidth: Wideband
Certifications: Regulatory Approvals: CE, FCC, KCC, RCM, UL, Industrial Certifications: Skype for Business, Avaya, Cisco
FeaturesTAKE CONTROL OF YOUR OWN CONCENTRATION ZONE
For 69% of all knowledge workers, a noisy open office environment has a negative impact on their productivity.
With Jabra EVOLVE, you can create your own concentration zone and improve your productivity.
BREAKING SOUND WAVES
ACTIVE NOISE CANCELLATION
Active noise cancellation eliminates unwanted low frequency background noise in an office environment at the touch of a button. You can effectively create a concentration zone around you so you can stay focused.
BLOCK OUT DISTRACTIONS
PASSIVE NOISE CANCELLATION
We have focused on the quality an
Weight6.04 oz.
Shipping weight0.91 kg
Package size254 × 254 × 102 mm

Questions about this item

Does the Evolve 20 MS Stereo draw extra power or generate heat when used all day?

The headset is powered entirely by the USB port, so there is no separate adapter and no noticeable heat buildup during extended use.

What does the buyer need to have ready for the USB controller to work immediately?

A PC with a free USB-A port and a supported UC platform such as Skype for Business or Cisco — the headset is plug-and-play and requires no extra software.

Can the 3.94 ft headset cable and 3.12 ft control cable reach a desktop tower under a desk while the user sits normally?

Yes, the combined cable length is designed for typical desk setups, letting the control unit sit within easy reach while the headset stays comfortable.

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