1. Voice recorder with 64G SD card: The upgraded 2022 64G smart voice recorder can store up to 768 hours of audio recordings. It offers a recording time of up to 22 hours on a full charge. Additionally, it doubles as a professional MP3 player. 2. Portable pen design: Featuring a unique and practical penshaped design, it can be easily carried in a bag or drawer. With the builtin pen, you can take notes while recording. 3. Professional recording device: Equipped with intelligent noise reduction and stereo microphone technology, this portable audio recorder delivers performance in various complex environments, providing noise recordings and 360° panoramic sound capture. The result is crystalclear, natural audio, making it ideal for lectures, meetings, and interviews. 4. Smart voice recognition: The builtin automatic voice detection function ensures recording only activates when sound is detected. This simplifies operation, enhances efficiency, conserves battery and storage space, and extends the product's lifespan.