High Quality Voice Recorder:The digital voice recorder with professional recording DSP chip, Intelligent noise reduction, which can effectively reduce the noise in the recording file, supports up to 1536kbps PCM stereo audio recording,providing a steady performance and a clear recorded voice. Support External Microphone and Line in Recording:Built-in dual sensitive microphone,also support external microphone or line in Recording,The function can get interference-free audio recording from online classes, lectures, meetings, also can record songs from tape player,CD Player, Radio, Computer via TRS 3.5mm audio out port ,convert to digital MP3 music or recording (note:need buy extra TRS 3.5mm out port cable to use this function).Voice Activated Recorder:To achieve the voice activated function automatically during recording, you first need to turn on "VOR" in the "Setting Mode".Only record when audio is detected,It can avoid invalid or whisper recording, Can get the highest audio quality. saving recording time and space.One Button Recording and Simple transmission:with simple operation,One-button recording or saving, Turning on the voice recorder,move the REC button up to start recording, move down to save recording, The Recording file support MP3/WAV format. that compatible with Windows and Mac.Connect to computer and cell phone via USB cable to transfer or playback files.You also can use the speaker to directly play the recording file.16GB Large Capacity and Rechargeable BatteryThe tape recorder with 16GB internal memory, can store recordings(Voice Mode) from 24 hours(WAV 1536 kbps) to 1160 hours(MP3 32 kbps) or 2000 songs(Music Mode). Built-in 400mAh rechargeable lithium battery, every fully charged support 30 hours continuous recording. via Micro-USB cable to Charge.It has low battery automatic save recording function.