... format decode Mini speakers Main featrue:* SD/MMC card support, USB flash support,FM radio* CLOCK AND ALARM DISPLAY * MP3/WMA ... DisplaySpecifications:* Power Supply: DC 5 Volt(li-lon Battery inside) USB power cord* Output Power: 3w+3w* Driver Unit: 52mm speaker ... * Frequency Response: 150-18Khz Packing:* Packing Content: Speaker, remote control,USB Power Cord,2.5mm docking, Nokia docking,sony docking,2 ...