The recorder allows you to store up to 48 hours of continuous recording (on a full battery charge). Use as a 16GB flash drive or USB recorder to store all your music, data and of course all your recordings. Your audio files will be stored on your device as WAV files for easy playback via any media player. The digital recorder has a built-in 250mA rechargeable battery for playback, supporting 512kbps continuous recording for up to 48 hours and headphone playback for up to 25 hours. The digital recorder is compact, measuring only 3.34*1.41*0.55 inches, so it fits into almost any pocket and can be easily switched between a digital recorder and an MP3 player. The operation of the recorder is very simple. Press the REC button to record voice, record with one click, and save with one click. It is simple and easy to use. The recorder is an excellent recording device for recording lectures, meetings, business negotiations, medical orders, evidence collection, interviews, classes, etc. It is especially suitable for students, teachers, business people, reporters, writers, etc. who want to record special moments and beautiful memories with sound.