A:AnswerThey have screens that are less prone to glare and advertised as such, but no I don't think anyone has a truly glare-free screen despite what they say. Some are better than others at reducing glare but you tend to see the anti-reflective mesh or suffer reduced brightness for the more effective ones. It's best to plan your TV location to avoid reflective light or invest in black out screens for the windows.
A:AnswerI am not entirely sure, I havent tried connecting 2 headsets, but I can definitely assure you, you wont have any issues connecting 2 bluetooth speakers via the TV's Bluetooth. It sounds amazing