If you only need the Jabra EVOLVE 40 Mono including the 3.5mm jack it can be ordered separate. 
The stand-alone headset can be matched with your existing EVOLVE Link, which defines whether the headset fits UC or Microsoft Teams solutions.

OPERATING SYSTEM: Mac|Windows
The computer operating systems supported by this device

USAGE

• Music phone
• Connects to a PC and can be used to stream music/sound and for voice calls
• Designed to optimise the experience of using a Unified Communications client
• Ideal for in-car usage
• Works with mobile phones

 SPEAKERS

• Frequency Response: Narrowband|Hifi
• Frequency Response describes the range of frequencies a speaker can produce, measured in Hertz
• Digital Signal Processing: No
• This device does not utilise DSP (Digital Signal Processing)

MICROPHONE

• Microphone Type: N/A
• Information on the type of microphone(s) that this device is equipped with is not available at this time
• Microphone Sensitivity: Standard (E-STD)
• Standard (STD) variation microphone sensitivity is comparable to a normal telephone receiver and is used in most telephone devices

MUTE FUNCTION: YES
Mute gives you the option to mute/unmute the microphone directly on the device

DESIGN
Large Leatherette Ear Cushions

CERTIFICATION
Certified by Cisco
Certified by Avaya