With this adapter, which supports OTG function, and it is plug-and-play, bi-directional transmission, and the transmission speed is up to 4810Mbps for fast and efficient data transmission. Such adapter is small, light and easy to carry and store. It is a USB-to-Type-C adapter, which can easily solve the problem of interface mismatch between devices. It is constructed of metal material. The length of this product is 2.1cm, the width is 1.4cm and the height is 0.6cm. It is suitable for home, school, office, dormitory, business trip and so on. Item Name: USB Converter Material: Metal Features: Plug and Play, High-speed Transmission, Portable Data Transmission Speed: 480Mbps Compatible: Type-C Interface Devices Size Details: L: 2.1cm/0.83", W: 1.4cm/0.55", H: 0.6cm/0.24"(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 USB Converter