... * MP3/WMA format decoder * Product size142*101*58MM * mini speaker boxFetures:* SD/MMC card support, USB flash support* MP3/WMA ... : 3w+3w* Driver Unit: 52mm speaker , 4ohms* Frequency Response: 150-18Khz Packing:* Packing Content: Speaker, remote control,USB Power Cord,2 ... clamshell,50pcs in a carton* N.W./G.W.: 25/26kgs* Carton size: 610*350*340mm MOQ: 1000PCSDelivery time: 15days mini speaker box