Feature: 1. Plug and play, file storage, lightweight and convenient, support memory card, voice-activated recording, power-off saving, file encryption, time stamp, one-key recording, U disk storage, lossless recording, recording while charging. 2. Intelligent voice-activated recording, recording with sound, automatic pause without sound, effectively saving memory space, filtering invalid clips, and reducing playback time. 3. One-button recording, simple operation, only one button on the fuselage, no need to switch the machine, eliminating the need for complicated operations, blind operation recording, and don't miss the opportunity to record at a critical moment. Push up the normal recording, push the voice-activated recording in the middle, and push down to save the recording. 4. U disk is directly inserted, mass storage, no data cable, no need to transfer interface, USB is directly inserted into the computer, can be used as a U disk, and quickly import data 5. Enterprise-level intelligent encryption protection, after encryption, even if it is held in the hands of others, the copied data cannot be read and used, and the recording content cannot be heard unless it is operated by myself. 6. Lanyard hole design, easy to carry, intimate lanyard hole design to prevent loss, can hang keychain, easy to carry. 7. Insufficient memory, don't worry, don't delete files, can support memory card to solve the problem of insufficient memory. 8. Automatically save when power off. When the system detects low power, it will automatically save the file, and then shut down the recording data without losing it, which is safe and reliable. 9. Intelligent time stamp, built-in time chip, and the recording time of the recorded video file is synchronized with the time. 10. Simple design, light and compact, easy to carry, does not take up space, take it wherever you go. 11. Support USB charger, computer, mobile power supply to charge the device. Specification: Recording format: WAV Recording bit rate: 48KHz Storage time: 4GB/ can be saved for 48 hours, 8GB/ can be saved for 96 hours, 16GB/ can save 192 hours, 32GB/ can save 384 hours. Memory card type: miniSD card, TF card. Recording distance: 5-10 meters Transmission interface: USB 2.0 packing list: 1*Recording pen+1*Data cable+1*Manual