Description: It is easy and convenient to use this expansion dock because it is plug and play. This expansion dock features intelligent chip and high resolution, supporting high-speed data transmission, fast charging and HD-compatible image quality. It is constructed of metal material. The USB2.0/3.0 interface can be connected to low-power external devices, such as U disk or keyboard and mouse. The length of this product is 29.5cm, the width is 3cm and the height is 1cm. This expansion dock is compatible for Mac OS, for Windows, for Android and so on. Item Name: Expansion Dock Material: Metal compatible with-compatible Output: Up to 4K/1080P Output USB3.0: 5Gbps USB2.0: 480Mbps USB C Port: 5V2A Charging System Support: for Mac OS, for Windows, for Android and so on Features: Multifunctional, Fast Transmission, Lightweight Size Details: L: 29.5cm/11.61", W: 3cm/1.18", H: 1cm/0.39"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Expansion Dock It is easy and convenient to use this expansion dock because it is plug and play. This expansion dock features intelligent chip and high resolution, supporting high-speed data transmission, fast charging and HD-compatible image quality. It is constructed of metal material. The USB2.0/3.0 interface can be connected to low-power external devices, such as U disk or keyboard and mouse. The length of this product is 29.5cm, the width is 3cm and the height is 1cm. This expansion dock is compatible for Mac OS, for Windows, for Android and so on.