If the phone is IPX7 there is no problem putting it into a full glass of beer.
But the amplification of the sound will work?
Who knows. 
More bubbles, better foam, may be!
More bass and loudness from a... soda bottle?
reminds me about the pringles speaker 
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More specific thanā¦ Clean dry glass?
Not sure I can be more specificā½
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Yes indeed! 
Dry is dry. Full is full! 
Prosit from Munich!
Thatās what I meant! All caps and everything so itās extra clear!