... resistant 4 Ohms Power supply: 5V/1000mA AC power adapter, Computer USB Power rotate connect line (can choose), Built in Rechargeable ... . With this mini music loudspeaker, you can also enjoy the best home theater sound. This compact travel speaker system is ideal ... , MP4, CD, DVD, iPod, iPhone, GPS, PSP, mobile phone, notebook computer, U disk and SD card etc. Package Includes:1 x ...