Electronic LED Display Badge, 1.85 Round Screen with 7-Color Light, Bluetooth 5.4, Supports GIF/15s Videos, Multi-Wear Styles (Pin/Lanyard/Magnetic), Can be used as a daily wear brooch and backpack accessory

["Powered by Bluetooth 5.4 technology, it ensures stable connections and fast data transfer. Easily upload content with one tap via the app, navigate with the touchscreen, and switch between static/dynamic images (up to 15) or transfer up to 3–4 15-second videos. You can update displayed information quickly without any complicated steps."]