Excellent recording quality: Use dual high-sensitivity microphones to record all your meetings, lectures, interviews and seminars with high-quality crystal-clear audio, intelligently reduce environmental noise and play more clearly. Multiple protections automatically save the recording file and the HOLD button every 5 seconds to prevent your misoperation during the recording process and protect your every recording.Three-in-one recording device: stereo recording, storing files via USB memory stick and used as an MP3 music player, built-in 250mAh rechargeable battery can last 12 hours of long recording time. Use a USB cable to easily connect to a PC, just plug in and share content, compatible with PC or MAC.ADVANCED RECRODING: VOICE OPERATED RECORDING (VOR), the recorder starts recording when it detects sound, and pauses when there is no sound, eliminating the silent period of recording. Use LINE-IN technology to record phone conversations without missing any important phone conversations. Mirror recording, mirror recording from any 3.5 mm AUX device to a recorder with high-quality crystal clear audio.A gift for most people: The voice recorder is very suitable for your lectures, semester courses, speeches, interviews, group conversations, podcast recordings, voice memos, doctor's advice, telephone conversation recordings. Very suitable for students, professors, teachers, businessmen, writers, bloggers, language learning, etc.Ideal for language learning: A-B repeat function, marking the beginning and end of a specific recorded section for repeat playback, FWD/BWD function, you can fast forward or rewind, which is very useful for language learning.