The 25 cm long design makes it flexible and long enough to extend and read SD cards. Supports use for extending memory card SD/SDHC/SDXC (such as data upgrade of car GPS navigator, data update of instruments and equipment, etc.). Fast speed: SD card extension does not affect the reading and writing speed of the device, maintaining device efficiency and performance. Can also be used as an extender or linker when your device has a built-in SD memory card slot and you need to expand externally with a larger SD memory card. Cables are flexible and easy to install. Type: Extension cable Operating voltage: DC 12V Interface: SD Supports memory card: SD Installation: External Color: As shown in photo Material: ABS + FFC Size: 25 cm Package Contents: 1 x Extension Cable Note: Only the items listed above are included. Other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.