The converter is plug and play, which is easy and convenient to install. The USB3.0 technology allows for stable, anti-interference and fast transmission of the converter. Made of ABS material and metal, the converter is durable and stainless to use. The length of the A and C style converter is 3.8cm while the B style is 3.5cm. The converter is suitable for being used in computer, desktop, expansion card and so on. Item Name: Converter Material: ABS,Metal Interface Type: USB3.0 19/20 Pin Transmission Rate: 5Gbps Features: Easy Installation, High-speed, Plug Play Size Details: A/C Style Length: 3.8cm/1.5" (Approx.) B Style Length: 3.5cm/1.38" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Converter(Others Not Included)