Intelligent chip: Build in E-marker chip, automatically identifies fast charging devices, controls current and voltages reasonably, and ensures safe use Unique Design: Equipped with a protective lid and a unique keychain design, it can easily hanging on backpacks, belts, and keychains to protect the interfaces from dirt and damage, while improving the portability of the product Charging function: Supports 240W charging, with power indication light, meets the charging needs of various devices, and can effectively reduce charging time Flexible Design: Using FPC (Flexible Printed Circuit Board) technology, good flexibility and durability, making it easy to use in small space Full featured design: 8K 60Hz video, transmission speed can reach 80Gbps, suitable for large file transfer, high-resolution video streaming, and connection to high-performances devices