PREMIUM SOUND QUALITY PLE OPERATION: This recorder upgraded its higher sensitive s,means that you can enjoy premium quality sound.ple three-click recording, saving and playing, make it super user friendly. VOICE ACTIVATED RECORDER: Set the recorder to voice activated recording,catch the speaking words only.No more silent whisper or snippets in your recordings now. Effectively save the space of the recorder and your listening time. A-B REPEAT FUNCTION: This is a great feature to help you study language,review lessons from selected starting point A to ending point B.You don’t have to go back or forward to listen the words any more. EASY TRANSFER FILES: Voice recorder mac compatible. It supports recording files in MP3 or WAV format.You can transfer files easily by connecting to a computer via supplied Micro USB cable.) MP3 PLAYER: Not only a mini recorder,but a music player. Help you relax after your tired lectures, classes or meetings. ensure your 100% satisfied purchasing experience.