The 25 cm long design makes it flexible and long enough to extend and read SD cards.Support all that need to use to extend the memory card SD/SDHC/SDXC (such as data upgrade of car GPS navigator, data update of some instruments and equipment, etc.)Fast reading speed: SD card extension never affects the reading and writing speed of the machine, keeping the efficiency and safety of the machine.It can also be used as an expander or linker when your device has a built-in -SD memory card slot and you need to expand it externally to use a larger SD memory card.Cables are flexible and easy to install.Type: Extension cableOperating voltage: DC 12vInterface: SDSupport memory card: SDInstallation : externalcolor:Photo colorMaterial:ABS+FFCsize:25CMPackage Contents:1 x Extension CableOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.