The sound doesn't sometimes work

I have a headset for a five months now, loved it, gave me good sound. But now I have flick the volume box to get proper sound, how do I fix it? I really like these headphones and I'm pretty sure it's the volume box.

http://www.google.com/search?q=logitech+...

For example))

回答此问题 我也有这个问题

这是一个好问题吗?

得分 3
添加一条评论