MP3 Voice Recorder is an Android application that enables users to record their voice using their device's microphone. The audio files are then saved in MP3 format, ensuring that the quality remains high while keeping the file size small. Users can customize the bit rate up to 320 kbps and the sampling rate up to 48 kHz to suit their preferences.

The app features an intuitive interface that allows users to control the recorder from the main screen, status bar, home widget, or even launcher. There's also a built-in player that lets users play, pause, resume, stop, skip, and repeat their recording files. Users can even share their recorded files via BBM, WhatsApp, Gmail, MMS, Bluetooth, and other media platforms.

In addition, users can get detailed information about their recording files, including file name, sampling rate, bit rate, channel, duration, and file size. They can also sort their files based on date, name, or size. The app requires two dangerous permissions: RECORD AUDIO and STORAGE, which are used to give microphone permission and write recorded files to device storage, respectively.

Overall, MP3 Voice Recorder is a reliable and convenient tool for anyone who needs to record, save, and share audio files on their Android device.