1.Powerful Audio Capture Recorder: Capture all audio signals and save them as MP3 files in a USB flash drive without the need for a computer. It supports most audio and multimedia devices with a 3.5mm or RCA audio output port, such as cellphones, cassette players, DVD players, game consoles, TV boxes, phonographs and other equipment. The playback function allows you to easily check the MP3 files in the USB flash drive, whether they are recorded by the capture or copied from others, just need an earphone. 2.Record Audio: You can press the RECORD button to start and stop recording at any time as you like, which is a flexible way in most situations. At the same time, you can connect an earphone to the LINE OUT port to listen to the music you are recording. The recorded file is a popular and standard MP3 file, 128Kbps 44.1KHz DualMono, which is very easy to edit or share with your friends. 3.Support SD Card USB Flash Drive: You can plug a SD card or a USB flash drive into the music capture recorder to save the recorded files. Usually, the recorded file is about 50Mb for 60 minutes. It supports up to 32GB with FAT32 file format and does not support NTFS. Do not insert a SD card and a USB flash drive at the same time. IMPORTANT format it as FAT32 before use. 4.led: It is very convenient to use the remote control to access all functions of the audio capture device, including Start / Stop recording, Play / Pause music, Previous, Next, Turn up / down volume.