A:AnswerThe volume buttons and mute/un-mute button will work with any program. However, pressing the Teams button will not work with any other programs.
A:AnswerYes you can. I have been using it that way for months as a speaker and microphone, either as system devices or within conferencing apps such as Teams, Zoom and Skype.
A:AnswerThe Microsoft website for this product states that the cord length is 680 mm which equates to 26.77 inches.
https://www.microsoft.com/en-us/d/microsoft-modern-usb-c-speaker/8x0j3n3xdlp5?activetab=pivot:techspecstab