Portable mini speaker for iPod/MP3/MP4 players.

1)The size of our product is only as the size of a purse before unfolding.When unfolding, the size can be 10 times the size when folded.The Fo of speakers can be effectively lowered by using this leather-cavity technique, which is our patent.

2)To save energy, we use unique APC power supply which can prolong a cell's using time as long as 6 to 10 times.The cost is the lowest at present (only 2 No.7 cells are needed which can work constantly for 30 hours.).

3)It also has perfect and as much as over 10 different kinds of protective functions.