1. USB3.1 high-speed transmission, multi-card multi-reading, support USH-II reading, Type-C / USB-C interface 2. Three-card slot design, read at the same time, refuse to insert and unplug multiple times, support SD card, CF card and Micro SD (TF) card to transfer data at high speed at the same time 3. Using high-bandwidth Type-C / USB-C interface, the transfer speed is up to 312MB/s, and large files can be easily transferred in seconds 4. Easily read 1TB memory card, stable transmission of massive data 5. With unique appearance design, the surface is made of large-area skin-friendly material, which is wear-resistant; the bottom is made of non-slip material, which does not hurt the desktop 6. Stable and compatible with multiple systems, driver-free plug and play, more convenient to change cards 7. One-touch response, no need to remove the phone case 8. Multi-system compatibility, driver-free plug and play 9. Support memory card: CF, SD, SDHC 10. Transmission standard: USB3.1 transmission interface, backward compatible 11. Indicator status: red when power is on, blue when a memory card is inserted 12. Drivers: No driver required, plug and play, support hot swap 13. System requirements: For Mac Os/Windows 7/8/10/Vista/XP etc. 14. Material: plastic 15. Dimensions: 89.2 x 80 x 21.5mm 16. Weight: about 99.8g