8mm thin and light body, CNC integrated molding, lanyard hole design, high-sensitivity microphone. One-key recording, high-definition noise reduction, power saving, U disk storage, file encryption, intelligent voice control, time stamp, mobile phone OTG, local deletion, MP3, adsorption. Intelligent time stamp, built-in time chip, and the recording time of the recorded video file is synchronized with the time. 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. The machine is deleted, bid farewell to cumbersome, unnecessary files can be deleted directly without computer operation. Intelligent voice-activated recording, recording with sound, automatic pause without sound, effectively saving memory space, filtering invalid clips, and reducing playback time. Specification: Video recording: Video recording is not supported Memory card type: Expansion cards are not supported Memory capacity: 8G packing list: 1*Recording pen 1*Data cable 1*Manual