... inch subwoofer+(3 inch&1.5 inch tweeter)*2 *With usb,sd reader&FM radio,compatible with PC/MP3/ ... MP4/DVD *home theater spe 2.1 home theatre ... ,active,portable audio player,wireless system.Specification1.With USB,SD reader and FM funtion,compatible with MP3 ... / 1600setsDelivery: 25-30 days after receipt of deposit 2.1 home speaker with 5.25 inch subwoofer+(3 ...