Samsung BlackJack II SGH-i617

I really want to get another smartphone. I traded down from a HTC from Alltel to a Sony Ericcson w580i when I joined ATT. My favorite thing about my SE is the music player, but I NEED a qwerty keyboard. I really like everything I have heard about the Blackjack II but I cant figure out whether to buy one. I know in the features section it says it has a Media Player 10 for music, but another site I looked at says it does not have a headset jack 2.5mm or a headphone jack 3.5mm. I know his sounds really dumb, but I can't figure out how I would listen to the music. Does it have to play out loud? Or would I have to buy one of those expensive bluetooth stereo headsets. I do not live near enough to an ATT store to go ask a sales rep, so if someone c...
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