Jabra EVOLVE 40 MS mono USB-A headset is a Microsoft Teams certified stereo headset.  Its equipped with advance noise canceling technology.  Jabra Evolve 40 has soft leatherette ear cushions for comfort and it's use to reduce background noise.  Jabra Evolve 40 MS  mono is also has a built-in busy light to notify co-workers around you you're on a active phone call.  In addition Evolve 40 MS Mono is equipped with a 3.5mm jack built as part of the control unit for use for a smart phone  (such as an iPhone) or a tablet  When it's not plugged into the USB port on your computer.  The headset microphone boom arm fits seamlessly into the headband  so the Jabra Evolve 40 MS turns into a personal headphone. Compatible with almost all majorUC softphones on both Windows and Mac OS.  

Key Features:

• Microsoft Teams “Plug & Play” Certified
• Hi-Fi wideband Frequency Response
• Digital Signal Processing (DSP)
• USB-A connection
• 3.5mm jack for Smartphones or tablets
• Noise canceling microphone - Eliminated background noise
• Microphone boom arm folds into the headband when not on a call
• Soft pouch included
• integrated busy-light
• part# 6393-823-109

For more information, see Jabra Evolve 40 MS Mono datasheet