MobiBLU has brought us another tiny cube-sized gadget! It’s O Cube Mobispeaker this time. It is a self-powered portable speaker. This little speaker features a built-in 210mA Li-on battery that charged over USB. The O Cube is not limited for the use of mobiBLU DAH-1500 Cube. It is compatible with any MP3 players that housing a 3.5mm headphone jack. The O Cube sells for 22,000 Won (approx US$23) in Korea. Well, no idea when will it be available outside Korea.

[Product Page via Anything But iPod ]