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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

  • Compatible phone brandsUniversal
  • Wearing styleOver-the-Head
  • Wearing styleCircumaural
  • ConnectionUSB
  • Cable lengthControl cable: 3.12 ft, HS cable: 3.94 ft
  • Power requiredUSB power supply by PC
  • 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.

How it compares

Measured against everything we stock in Earbuds & Wired Headsets, at today’s prices. Recalculated every night.

Price $37.99
Pricier than about 63% of the 557 comparable items (median $30.99).

Specifications

Product
Brand nameJabra
Product lineEVOLVE 20 MS Stereo
Model name4999-823-109
Product typeStereo Headset
Product colorBlack
Ports & slots
ConnectionUSB
Power
Power requiredUSB power supply by PC
Size & build
Cable lengthControl cable: 3.12 ft, HS cable: 3.94 ft
Product weight6.04 oz
Shipping weight0.91 kg
Package size254 × 254 × 102 mm
Compatibility
Compatible phone brandsUniversal
More details
Wearing styleOver-the-Head

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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