A:AnswerYes. I have not tried on Chromebook but box says compatible with: Windows 7, 8, 10 or later; Mac OS 10.10 or later; Xbox one, Chrome OS (Chromebook).
A:AnswerThere are microphones built into the camera on each side of the camera lens. Both sound and picture are great according to those seeing and hearing on the other side of meetings I’ve used it in.
A:AnswerNo. You’ll need to use the speakers built-in or attached to your computer.
The camera does have microphones built-in to the front of the camera on both sides of the camera lens.
A:AnswerI connected my pc via hdmi to the TV with the camerca/mic connected as well as placed next to TV; and used wireless keyboard/mouse to control and view from sofa on 55 inch TV.
A:AnswerYour product may be faulty. These things happen as technology, just as humans, has yet to be perfected. This is why you buy with Best Buy, the return policy is great!