Miuro
Miuro is a portable home audio station developed and created by ZMP, Japan. It weighs 11 pounds and stands 13 inches, and can move wherever you want it all by itself. This robot speaker on wheels can be wirelessly connected via a 802.11b/g network to play music from a PC or internet radio.
Miuro is equipped with a Kenwood four-channel digital amplifier sound system, along with two non-directional woofers and two dome tweeters. It can play a sound format from WAV, MP3, AAC, LPCM, WMA, AIFF, and it has a maximum battery life of three to four hours of continuous operation. Its self-positioning button allows Miuro to find the best connection in the house, and can be placed either on the table or floor.