Jabra EVOLVE 20 MS Mono Wired Headset 4993-823-109
Mono USB headset with inline controls for Microsoft Teams calls and passive noise reduction
- 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
- Microsoft Teams certified for instant plug-and-play setup
- Passive noise cancellation reduces high-frequency office sounds
- Noise-cancelling microphone eliminates background voice pickup
- Inline control unit gives direct mute, volume and call handling
- Lightweight 5.03 oz over-the-head design for all-day comfort
Professional Mono Headset for Office Calls
The Jabra EVOLVE 20 MS Mono is a wired, over-the-head headset designed for professionals who spend long hours on calls and meetings. It connects via USB for plug-and-play simplicity with Microsoft Teams and other leading softphone platforms. The single-ear circumaural design lets you stay aware of your surroundings while focusing on conversations.
Inline Control Unit and Passive Noise Reduction
A USB control unit provides 3.12 ft of cable between the PC and the controller, with a further 3.94 ft headset cable for comfortable reach. Buttons on the unit handle volume, mute, and call answer or end functions without touching the computer. Specially designed ear cushions create passive noise cancellation that blocks high-frequency sounds such as nearby voices.
Wired USB Limits and Single-Ear Constraint
The USB connection ties you to the host device and draws power from it, so mobility is limited by the combined cable length. Mono audio means you hear calls in one ear only, which is not suited for stereo music enjoyment or immersive multimedia. Buyers needing wireless freedom or dual-ear coverage should consider other form factors.
How it compares
Measured against everything we stock in Earbuds & Wired Headsets, at today’s prices. Recalculated every night.
- Price $36.99
- Pricier than about 62% of the 557 comparable items (median $30.99).
Specifications
| Product | |
|---|---|
| Brand name | Jabra |
| Product line | EVOLVE 20 MS Mono |
| Model name | 4993-823-109 |
| Product type | Mono Headset |
| Product color | Black |
| Ports & slots | |
| Connection | USB |
| Power | |
| Power required | USB power supply by PC |
| Size & build | |
| Cable length | Control cable: 3.12 ft, HS cable: 3.94 ft |
| Product weight | 5.03 oz |
| Shipping weight | 0.91 kg |
| Package size | 254 × 254 × 102 mm |
| Compatibility | |
| Compatible phone brands | Universal |
| More details | |
| Wearing style | Over-the-Head |
Questions about this item
What does the USB connector limit for the EVOLVE 20 MS Mono headset?
The USB connection draws power from the PC and enables plug-and-play operation with Microsoft Teams and other softphone platforms without additional drivers.
What wearing style and ear coupling does the 4993-823-109 model use?
This headset uses an over-the-head wearing style with circumaural ear cushions that provide passive noise cancellation by reducing high-frequency sounds.
How is the control unit installed and what step is often missed?
Plug the USB controller into the computer, then connect the headset cable to the controller; the step users often miss is ensuring the headset cable is fully seated in the control unit before use.
More in Earbuds & Wired Headsets





