Multifunctional flash card case - This multi-functional memory card storage case integrates memory card storage and ultra-high-speed data reading functions, which can meet the storage and data transmission needs of photographers' memory cards during daily, work and travel. As a card case, it can accommodate two Nano SIM cards, four SD cards, four TF cards, and an eject pin. As a card reader, SD and TF dual card slots support data transfer at the same time. Super Speed Transmission - With a built-in USB 3.1 chip, the transmission speed can reach 312MB/S. Type-C interface supports plug-and-play, compatible with Type-C smartphones and tablets Compatibility: 1. Devices: Cameras, smartphones, drones, action cameras 2. Memory Cards: Compatible with UHS-, SD 4.0: UHS-, SDXC, SDHC, SD CARDS UHS-, SDXC, SDHC, SD CARDS UHS-, micro-SDXC, micro-SDHC, micro-SD CARDS UHS-, micro-SDXC, micro-SDHC, micro-SD CARDS Systems:for 7 and above, for OS 10 and above, Linux, Android. Notice: Data transfer only applies to Type-C port phones and tablets that support OTG; To connect with a desktop computer, a Type-C to USB-A adapter is required. The main drawing is an effect drawing, excluding the memory card. Colour:Black Material:Plastic Package Contents: 1 * Card Reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.