[HD recording and automatic noise reduction] adopts the latest PCM ten-core triple digital intelligent noise reduction technology, this digital recorder can provide you with 1536kbps of high-quality sound, as if the speaker is standing beside you talking. Equipped with an exclusive omnidirectional stereo microphone to capture farther/lower but clearer sound? ?48GB large memory?2022 upgrade recorder built-in 16GB memory and 32GB TF card (included, insert recorder) expansion memory, 48GB digital recorder can store 3343 hours of recording files (32kbps). The 500mAh rechargeable battery supports up to 13 hours of continuous recording (512kbps) and 24 hours of headphone playback. Voice Activated Audio Recorder] to turn on the voice activation function, this recorder can set the voice decibel to 7 different levels, regardless of the volume, with the correct voice decibel level, the recorder will only capture the spoken words. No more silent whispers or clips in the recording, effectively saving memory space and listening time? [Simple and easy to use, multifunctional] is easy to figure out. Record, save and play with just three buttons, so you'll never miss anything important Optimized menu selection, more intuitive navigation, Audio Recorder has all the features you want, A-B repeat, fast forward, rewind, 3.5mm headphone plug, mp3 player, variable speed playback, password and line in, etc. Is it the perfect recorder for lectures, meetings, interviews, presentations, lessons? [Easy Document Management] L87 Audio Recorder can save a time-stamped recording file for easy identification when to record. You can connect your computer or Andriod smartphone using the included Type-c cable for fast charging. Packing: 1 x 16GB recorder, 32GB TF card, 1 x Type-C charging cable, 1x user manual.