The "Captain America" high-definition wallpaper HomePage is a browser extension program that features a collection of beautiful 4K high-definition wallpapers from "Captain America". It helps users quickly find their desired high-definition wallpapers and set them as their browser background.

This browser extension has the following features:
- Massive high-definition wallpapers: The extension gathers a large number of high-definition wallpapers from "Captain America", covering different resolutions and sizes to meet users' needs for different devices.
- Easy setup: With just a few clicks, users can set their favorite wallpapers as their browser background. They can also adjust the size and position of the wallpaper, and set the wallpaper switching frequency.
- Auto-adaptation: The extension supports automatic adaptation to different browsers and devices, ensuring users don't encounter compatibility issues during usage.
- Ad-free: The extension does not have any ad interruptions, ensuring a seamless browsing experience for users.
- Personalized search: Users can choose their preferred search engine for convenient information searching.
- Calendar function: The date and time are displayed on the homepage, making it easy for users to see. Users can choose whether to display the current time. If this function is enabled, users can choose between a 12-hour or 24-hour format to display the current time.
- Real-time weather: The weather conditions are updated in real-time. Users can choose whether to enable the display of current time and weather.
- To-do list function: Users can easily record today's to-do list, no longer forgetting important tasks.
- Note function: Users can easily record life moments.

This product will earn revenue through Amazon affiliate, Ebay affiliate, Booking affiliate, and will also earn revenue from Bing search and Baidu search.