With a plug-and-play design, this converter is high-speed and stable transmission, providing you with fast data transfer services. With the help of this adapter, you can read the data from the TF card directly on your mobile phone instead of through your computer, providing you with a convenient service. And it is mini and compact for easy portability. It is constructed of metal material. The length of this product is 1.8cm and the width is 1.3cm. The card reader is suitable for home and office. Item Name: Card Reader Material: Metal Interface: USB 2.0 Features: Stable Output, High-speed, Plug And Read Size Details: L: 1.8cm, W: 1.3cm(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 Card Reader