Pocket Bluetooth speakers ultrasonic at restaurant?

[eternity]

dissonance, i'm using my kindle fire (with stereo speakers) to squeeze in listening during the hours I'm not at my bed or at my desk.

I'm sure the speakers would work but they're obviously not the most efficient when compared to headphones or even speakers on each side of you but it works for what it's worth.

and icealive, i don't think it's much to worry about. customers would be exposed like an hour tops and colleagues aren't going to be hovering over dissonance for his whole shift so i doubt that would be an issue lol