Features: Using advanced electronic components, the digital display badge can updated information in real-time. Whether at conferences, exhibitions, or social gatherings, this badge allows you to easily convey creative information. This badge is both lightweight and durability, comfortable to wear and not easily damaged, suitable for occasions where it is worn for a long time. Supporting multiple smart device connection for fast data synchronization, the widely compatible design makes it suitable for most smartphones and tablets. Built in low-power electronic components ensuring long-term use without frequent charging. Provide multiple display modes and color option, allowing users to freely switching styles according to different occasions and meet different needs. Specifications: Component: plastic and electronic components Color: black, silver gray Craftsmanship: Advanced electronic display technology is used to ensuring that information is clearly visible and supports multiple display mode switching. Dimensions: 1.7 inches in diameter Screen: 1.95inch, ble6.0 Practicality: Suitable for conferences, exhibitions, social activities and other occasions to help users quickly display identity information or content. Package Includes: 1Pc Digital Display Badge note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.