The 48cm long design provides flexibility and sufficient length to extend and read SD cards. Supports conversion of TF (Micro-SD) memory cards to SD memory cards, ideal for applications such as data upgrades for car GPS navigators or updates for certain instruments and equipment. Fast reading speed: SD card expansion does not affect the reading and writing speed of the device, maintaining optimal performance. Can also function as an extender or linker when your device has a built-in micro-SD slot and you need to externally use a larger SD memory card. Cables are flexible and easy to install. Type: Extension Cable Working voltage: DC 5V Interface: TF SD Compatible memory cards: SD, SDHC, TF, Micro-SD Installation: External Color: White + Black Material: ABS + FFC Size: 48CM Package Contents: 1 x Extension Cable Note: The package includes only the items listed above; other products are not included. Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.