It's a mini video recorder with 1080P HD resolution, often including features like night vision, motion detection, and a magnetic back clip for easy attachment.
Uses: Suitable for personal use, surveillance, recording travel vlogs, meetings, or important notes in class.
Connectivity & Storage: Many models offer Micro USB and Mini USB connectors, and support TF card storage (up to 128GB).
Battery Life: Built-in batteries provide extended recording times, with some models offering up to 20 hours of filming in 1080P.