The Sony SRS-TP1 is a lightweight, compact and slip travel speaker that that gives you music wherever you go at an affordable price. The protective speaker lid helps protect the speakers when not in use and doubles as a convenient speaker stand when being used. This is a passive speaker system that requires batteries or other power supply, so your music can be enjoyed by simply plugging in the convenient storable cord with stereo mini plug into your portable audio device. There are two magnetically shielded neodymium magnet drivers that give a quality sound. The Sony SRS-TP1 is available in white, black and white with a red lid.