... connect this cute mini speaker with your computer, laptop, iPhone, iPod, DVD, CD, MP3, MP4, mobile phone, GPS, PSP....Support Micro ... ON/OFF.Built-in lithium battery. Powered by computer USB port or through a power adaptor.Come with a flexible USB ... : 4ohmsPower supply: 5V 1000mA AC power adaptor or PC USB port (power adaptor Not included)Interface: USB and Micro SD/TF ...