Small speakers that clip to LCD

I made the mistake of purchasing an LCD monitor without speakers. Anyone have a good recommendation for a small, clip on speaker that I can hook to my monitor? I am even thinking of going bluetooth if thats a good option only because I have a 16 ft HDMI cable run to the monitor so I would have to have a long cable to the speakers as well.

brand said:

If you bought a Dell monitor they have a speaker bar that clips to the bottom of the monitor.

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Thanks, its an Asus monitor.