... With FM radio,USB 4.Unique waist drum,colorful Newest best loundly sound unique waist drum design mini speaker ... SNR : ≥80dB4. Loud Speaker : 2 inch ( external Diameter 45mm ) 5. Line in : Configure 3.5mm Stereo' ... s Pluge 6. Power Input : 5V/500mA AC Power Adapter 7. For Mobile phone/iphone ... connect your MP3,MP4,CD,DVD,ipod,iphone,PSP,U disk,mobile phones,computers,Headphones ...