[Hassle-Free One-Touch Record & Save] The latest AI Smart Recorder supports one-touch recording and saving function. No need to turn on the device, just slide the record button up to record with one key, and slide the record button down to save the recording with one key. This humanized design can help us get to the recording interface quickly, and you can record urgent and important recordings in a short time, which is more concise and convenient to operate! [4400 Hours Audio Storage] The digital voice recorder offers an enormous capacity with an impressive 64GB TF card to expand the memory for storing up to 4552 hours of audio files (at 32kbps). A perfect tool for reliably storing worth of audio files, making it an excellent choice for professionals, works, journalists, and anyone who needs to record and store lectures, meetings, and interviews. [AI - Intelligent Noise Cancellation] Recorder with AI Intelligent Triple Noise Cancellation. Equipped with Triple Intelligent Digital Noise Reduction technology and intelligent AI DSP 4.0 chip, it automatically and optimally identifies ambient sounds for clearer vocals! The best partner for office and study. [Large Memory Storage & Long Battery Life] The digital voice activated recorder with playback,64GB RAM,can store up to 4400 hours (180 days) of audio recordings that are time and date stamps,the audio recorder can also be used as an MP3 player or USB flash drive. Its Built-in rechargeable battery supports up to 50 hours continuous recording and 50 hours of headphone playback on fully charge. Tips:When the battery power is low, the recording file will be automatically saved and the device shut down. Colour:Black Material:Metal Package Contents: 1 * Voice Recorder 1 * USB Cable 1 * Earphone