Wooden cases IC 2030*3 USB/SD CARD READER, RC 2.1 HOME THEATER SYSTEMFrequency response: 40Hz-150Hz, 150Hz-20KHzOutput Power: ... Audio Player,USB, SD, PC, laptop, DVD, VCD, CD with music back and next function with power on/off press key ... size (Hx W x L): 200x 115 x 130mmProduct Picture: 2.1 Multimedia Home Speaker Theater System