1. Material: zinc alloy 2. Interface: USB/Type-C 3. Applicable devices: mobile phone/tablet/computer 4. Transfer rate: 480MB/S 5. Read and write speed: 40MB/S 6. No APP required, plug and play 7. Connect to notebook at any time, interrupt file transfer 8. Dust-proof cap design, protect the interface and increase service life 9. Compatible with more memory cards, no driver required