... ,voice IC downloader support copy online or offlineFeatures: *ISD1700 Series chip downloader,voice chip downloader,voice IC downloader support copy ... with stable performance,high quality and competitive price.Can program series voice chip*compatibleISD1720,ISD1730,ISD1740,ISD1750,ISD1760,ISD1790,ISD17120,ISD17150 ... USB2.0*Support MIC and LINE voice output,can drive small speaker,which is about 8Ω