The product is a versatile 26-piece USB 3.0 + Type C + Micro USB + Micro SD Card Reader OTG Adapter that supports various memory cards such as MicroSD, SD, Memory Stick, MicroSDHC, SDHC, and SDXC. It is compatible with universal brands and offers multiple connections including USB, USB-C, and Micro-USB. This card reader and USB host can easily transfer data from your memory cards to your computer or other devices, making it a convenient accessory for those who need to work with multiple devices and memory card formats.