A:AnswerFor PCs with a single audio port, it can connect using its single 3.5 mm audio+mic jack. The included audio/mic splitter cable is for those PC with separate stereo output and mic input.
A:AnswerThere is no indicator, such as a light. At the back of the headset, there is a button you can press to mute yourself. If it's down, you are muted. If it's up, you are not. Other than that, there isn't a tell. I hope this helps.
A:AnswerI bought a $5.00 adapter for my IPhone and it worked seamlessly. Mic as well! It integrated without any issue and worked for talking on the phone and talk-to-text / dictation needs in specific apps.