The H806 Black Portable MIFI Car-Mounted Portable Wi-Fi Router with SIM Card and Battery (1/3/5/40 Mbps) is a versatile portable wireless router. Portable Design: This MIFI device is lightweight and easy to carry, making it perfect for travel, business trips, or outdoor activities. Its portability allows users to enjoy wireless network connectivity anytime, anywhere. SIM Card Compatibility, Plug-and-Play: The device supports SIM cards, allowing users to easily insert their own SIM card to access the 4G network. This plug-and-play design simplifies the setup process, allowing users to quickly start using it without complex configurations. Built-in Battery, Long-Lasting Battery Life: Equipped with a built-in battery, it provides long battery life, eliminating the hassle of finding charging points while traveling. This is especially important for long trips or in areas without convenient charging facilities, ensuring users can stay online throughout their journey. Based on search results, this router is available on Taobao; prices may vary due to promotions. The user's post-purchase evaluation report contains pictures, usage videos and word-of-mouth reviews, which helps to understand the performance of this product.