High-quality Audio and Noise ReductionThis recorder provides excellent sound quality through a 360 omnidirectional stereo microphone, captures high-quality 1536kbps clear audio, and is equipped with advanced DSP noise reduction technology with 1-7 adjustable noise reduction quality levels, filtering out unwanted background noise, improving recording clarity and focusing on what is being recorded.64GB Storage Capacity and Long Battery LifeThis 64GB pocket recorder can store up to 4000+ hours of recordings (32kbs bitrate). Powered by a rechargeable energy-saving lithium battery, it can record continuously for up to 22 hours (512 kbps) and play music continuously for 37 hours when headphones are plugged in (medium volume 25).Voice-activated RecorderThis recorder has a 7-level sensitivity voice activation function, which helps capture sounds and skip silence: when a certain decibel is reached, the recorder automatically records the detected sound and pauses the recording when the sound is not up to standard, reducing gaps and whisper fragments.Password Protection and File ManagementSet a password on this portable recorder to prevent unauthorized access to your recordings and ensure your valuable data is protected. All recordings are named with a timestamp so you can easily manage them on your device and on your computer.Easy to Use, VersatileIPS HD screen, intuitive navigation, simple operation, it is a professional recording device that can meet almost all your recording needs: AB repeat, MP3 player, random play, speed change, password and line registration, ETC.