Specifications: Colour: Black;  Video format: AVI;  Video resolution: 1920x1080x30fps;  Lens: HD lens, wide-angle field of view;  Audio/video mode: one-key video/audio;  Video time: about 120 minutes;  USB: Type C;  Battery: Built-in high-capacity polymer lithium battery;  Recording time: about 150 minutes;  Built-in memory: 4GB, 8GB, 16GB, 32GB, 64GB, 128GB;  Product specifications: 67 x 33 x 16mm;  Product weight: about 20g;     Features: Small professional video recorder, one-key video, video and audio synchronization, portable operation, video recording is more simple 1080P real ultra-clear video, large wide-angle lens, wide field of view, increase the visual range.  150° wide viewing angle, high-definition picture quality, natural, clear, and delicate.  Hanging back clip design can clip pockets, school bags, folders, etc., meeting, classroom, travel video anytime, anywhere.  Built-in time chip, the recording time of video recording files is synchronized with Beijing time, which is convenient to organize and can be used as a legal basis.  When the system detects a low battery, it will automatically save the file and then shut down to ensure that the recording and recording data are not lost.  120 minutes of video, 30 days of long standby.  Support OTG to connect to Android phones to play video recordings and view them at any time.  Type-C interface fast charging technology supports direct connection of Android phones and can be connected to mobile phones/computers to quickly play video videos.     Package Included:      1 x Recording Pen