With one USB 3.0 port, it provides fast data transmission speed of up to 5Gbps, and easily uploads or downloads files, music and photos in several secondsConvenient to insert your USB flash drive, keyboard and other USB devices into the normal USB portThe Thunderbolt 3 Type-C?port can provide super-fast data transmission rate of up to 40Gbps, also supporting charging your device while data transmissionThe USB-C female port supports 20V/3A fast charging and supports power adapters up to 87WBuilt-in 2 card reader slots (work for SD&TF), supporting up to 128G, easy access to files from memory cards (SD card and TF card can work at the same time, but read and write speed will reduce the quality of the card)Very suitable for laptop computers, such as compatible for MacBook, for Huawei MateBook, for Microsoft Surface Pro and other devices with a Type-C portJust plug and play, simple operation, easy to useAluminum alloy shell for high performance and fast dissipation when in working statusCompact size, easy to carry and use, improve working efficiency