headphones

My computer recently fell on its side while I had headphones plugged in, and now when I re-plugged them in (all the way in) you can only hear from the right side, no sound on the left. When you unplug a bit, it switches to only hearing left. And then when you unplug until it's pretty loose, you...

Hello all, I am interested in buying an external sound card for my DELL laptop since I am very upset with its sound quality. However, I have wireless Bluetooth headphones set, and I couldn't find any sound card that supports wireless headphones, Can you advise please? Thank you.