Portable mini speaker,Mini portable speaker for mobile phone,mobile phone mini speaker,mini speaker for iPhone,iPod Portable mini speaker,Mini portable speaker for mobile phone,mobile phone mini speaker,mini speaker for iPhone,iPod Features: *Unique mini design with compact-foldable body * ... .5W * li-ion battery input:3.7V 110mA * Charger voltage:5V~0.05V * Frequency Response 130Hz~22KHz * ...