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 Audio Capture Card, Plug and play, no extra power supply. Easy to record from Microphone/Line In/Auxiliary input Coming with professional audio capture/converting software ( Audacity) and online updating Easily recording live audio or transfer analog to be digital formats such as MP3, WAV. User can save & listen to music on MP3 player, computer, portable CD player, or car stereo or home stereo system Supporting OS: Windows 10 / 8.1 / 8 / 7 / Vista / XP, Mac OS 10.11 and more.