The card reader is made of PCB, which is durable to use. It is specially designed for SD2SP2. It can provide you high speed transmission and data reading, which can save your time. Item Name: Card Reader Material: PCB Features: Durable, Fast Transmission, Easy to Use Size: 52mm x 43mm x 8mm/2.05in x 1.69in x 0.32in (Approx.) Notes: The SERIAL PORT2 (SP2) interface at the bottom uses a TF card to play games and is a special device for ISO mirroring. Please check whether your machine adopts this interface before buying. Pay attention to the words printed on the signboard, do not insert it backwards when using it, otherwise the interface or board will be burned. 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