Not sure about the quality on these, but the accordion design might be handy if you need portable speakers.
USB or battery powered accordion style folding amplified speaker. For computers media players, video games, and more. The accordion-style design creates a large resonance chamber and makes the sound richer than most other small speakers.
2 AAA batteries required for battery power.
4.5″ H x 3.4″ W x 1.5″ D