Professional Audio Grabber, Plug and play, no extra power supply. Transfer Analogue Audio ( Cassette Tapes, LPs, Radio Player) to USB PC Mac into MP3 CD. USB Audio Grabber with 3.5mm and R/L Audio Connector Input, via USB Connected to PC, Recording Audio into Computer and Convert to MP3/WAV. Professional Audio Capture and Edit Software ( Audacity) is Included or Updated on Official Website. Please Note: this Audio Capture Card is for Common usage. Please Choose Other Professional Device if You Have Professional Requirements. Support Windows 10 / 8.1 / 8 / 7 / Vista / XP and Mac OS 10.7-10.14. (Not support Mac OS10.15)