Best player used yet! Boosts my sound by 200% .All formats supported great player available for many platforms I have used on two platforms only android and windows both workes great.This player is used by me since I was in school and it still rocks and hold tough against its competitors! Substitles work pretty well on this player.Never had a complain about them.Also changing from one language to another for example from english to hindi as I like to watch most movies in hindi there is no lag at all!