The Jabra Evolve 20 UC Mono Headset (4993-829-289-01) is a single-ear, corded professional office headset certified for Unified Communications platforms. It features a noise-canceling boom microphone, soft foam ear cushions, and an in-line control unit for handling calls, adjusting volume, and muting. It connects via USB-C and includes a USB-A compatibility path.

Key Features
Design: Mono (single ear) on-ear style headband with a lightweight build that keeps one ear open to surroundings.
Cushions: Soft foam ear pads designed for passive ambient noise reduction.
Use Case: Optimized for voice calls, conferencing, and softphone applications
Control: Includes an intuitive in-line call controller attached to the cord.

Technical Specifications
Connectivity: Wired USB-C connection with plug-and-play setup (supports USB-A via adapters/variants)
Speaker Size: 28mm
Speaker Frequency Range (Speak/Call Mode): 150 Hz to 7,000 Hz
Speaker Frequency Range (Music Mode): 20 Hz to 20,000 Hz
Microphone Type: Unidirection Electret Condenser (ECM) with noise-canceling tech
Microphone Frequency Range: 100 Hz to 10,000 Hz
Weight: Approx. 0.104 kg (3.67 oz)
Hearing Protection: PeakStop acoustic shock protection
Warranty: 2 Years