600 hours recordingOnly when there is sound, the recording will be turned on automatically; the 2500mAh large-capacity rechargeable battery can provide up to 200 days of standby time, and can record continuously for 15 hours each time it is fully charged. The recording time is long, continuous recording is possible, and the saved recording file can be played on any computer and can be read and written tens of thousands of times. If you are a reporter, it will effectively record your interview work.[Professional recording equipment] Adopting high-quality recording device and special circuit design, high recording sensitivity, unique clear sound noise reduction technology, long pickup distance, good sound quality, large volume; built-in high-definition microphone, the recording effect linearly restores the real scene, so You really feel the atmosphere of the scene. It is an ideal choice for recording lectures, speeches, conferences, and training sessions.[Strong magnetic recording pen] Strong magnetic adsorption ensures clear sound quality, and can record every word more clearly than many recording devices; teachers can record the content of class and listen to them repeatedly after class; GPS wireless positioning can be used as a safety tracker to prevent Elderly, children, and children are lost; it can be used for family cars, buses/taxi, high-risk groups, and children.[Smart file division and naming] Built-in time chip with smart file naming and division function, which can automatically divide and name the recording files according to the recording time, allowing you to easily find the recording files at the corresponding time; automatic storage and automatic encryption to prevent file loss and leakage .[Daily waterproof] Daily life is not affected by splashes or rain, but do not stay in the water for a long time; it is small and portable, and can be used as an MP3 player at any time; one-key recording, simple operation.