A:AnswerYes they can if your television receiver can let Bluetooth headphones connect to them. I have Dish and I can connect to it over Bluetooth and it's great, especially with these earbuds
A:AnswerTry cleaning the terminal in the case, also you might not have them in right, but it really sounds like you should take magnifying glass and see if something is blocking it from charging it
It could also mean you need a new charging case
A:AnswerI had bose quiet comfort sport and when my wife would call me she always complained about hearing noise in the background . With these she said calls are a lot more clear