... Li-on battery fashional portable USB speaker with small sizeUSB speaker *Plastic mini speaker *USB,SD,MMC card with MP3,MP4,Mobile,FM RADIO ... shield4ohm/5W 7.Speaker power3W+3W 8.Audio Input:standard computer interface(3.5mm),applicable to the vast majority of audio ... products. 9.Built-in high-capacity lithium-ion battery 500MA,with full power to play up to 2-4 hours(the ...