Sound Booster that works!
The first and only Volume booster, that works with Youtube, Soundcloud, Pandora and so on. Supports ? HTML5 ? and ? flash ? video Volume boosting. ?? NB! To switch on full screen mode - you need to press F11 key! ? Features ? Level up sound more than 800% in 3 steps ? You need only one click to boost the sound ? Switch off automatically in normal mode