Here is a retro-style USB wooden speaker cube that serves also as a MP3 player. The cube has 4.5cm stereo speaker offering 3Wx2 output. It has a USB port and a SD/SDHC/MMC card slot for music playback from memory cards or USB storage devices.
The Wooden cube offers also a 3.5mm AUX-in for connecting other multimedia devices such as PMPs, mobile phones, MP3 players. It is priced at $29.