... , USB flash support,FM radio * MP3/WMA format decoder mini amplifier speakerFetures:* SD/MMC card support, USB flash support* MP3/WMA ... cord* Output Power: 3w+3w* Driver Unit: 52mm speaker , 4ohms* Frequency Response: 150-18Khz Packing:* Packing Content: Speaker, remote control,USB ... * Carton size: 610*350*340mm MOQ: 1000PCSDelivery time: 15days mini amplifier speaker