Fashinable portable mini speaker with USB input high quality: 1.New mini iphone ... 4.3.5 mm audio retractable cable can connect with PC, Mobile, Mp3, Mp4, TV, PSP .etc 5. ... Built-in high capacity rechargeable lithium-lon battery and USB charging connection, you can use it more portable along ... more portable, more humane, out of the limitations of USB-powered, not just only used in notebook or desktop ...