Fu-Bi a little known company from Japan sells the Cube mini Speaker which has a built in MP3 player. The onboard stereo speakers deliver an output of 3W×2ch and can connect to the PC or Music player via stereo mini plug. Apart from this it has a SD card slot for direct playback of music and a remote control. What it lacks is a FM radio. It charges via USB and once fully charged it can run continuously for 3 hours. Available in Japan only for 4680 Yen ($ 50).

[Fu-Bi]