High Quality RecordingThe dual-core noise reduction recorder is equipped with a powerful DSP noise reduction chip and two sensitive microphones, which can automatically reduce environmental noise and clearly record and play high-quality audio. The WAV recording format features clear, professional quality up to 1536kbps. 8 GB RAM. Supports 128GB expanded memory storage, more suitable for various scenarios. Quick Recording, Simple OperationOne-touch recording. Move the record button up to start recording and down to save. When the recording function is turned on, the recorder will only start when audible sound is detected, saving space and eliminating silent channels. The main function of this recorder is to capture ambient sounds in stereo mode and act as an MP3 audio player. Dimensions 7*2*1 cm, weight 50 grams. [Safety Protection] The rechargeable recorder can record continuously for up to 20 hours. The recorder can automatically save when the battery is low to avoid losing recording files during a power outage. The password boot function protects the internal data of the machine and prevents leakage. It has a 3.5mm input so you can connect headphones to listen to audio or connect external speakers to play sound. Easy TransferConnect the recorder to your computer via USB cable, no software required, compatible with Windows, Mac, and Linux. Transferring files between the recorder and your computer is very easy. Music formats support WAV/MP3/APE/FLAC, etc. In addition, the OTG function allows you to transfer files to your phone (note: you need to make sure your phone supports OTG). Digital LCD screen displays current recording and playback information in real time. Satisfaction Guaranteed12 months warranty available. We help you with any questions you have about your product or order. Portable rechargeable voice recorder is ideal for lectures, meetings, interviews, presentations, classes, business and study. There are many advanced settings in the menu such as bitrate selection, slow playback, timer, password, AB repeat, noise cancellation, voice control and more to meet all your needs.