thats very bad company they not resolve my problem i bought a speaker of sony company that's is in warranty period, now its blutooh is not working properly, then it go to repairing centre, now then say thats is oil damage (liquid).and i put a question to sony support i ask, If oil is spilled, then the plastic is of black color, which will shine, which is not there at all. sony company all head and support employee don't reply my question... all say that if liquid damage then its not part of war