1. Material: zinc alloy 2. Interface: USB+Type-C+Micro USB+8 Pin 3. Read and write speed: USB3.0 interface reads 110MB/S, writes 30MB/S 4. Four-in-one interface, more convenient storage 5. Adopt high-performance quality control chip to save file transfer time 6. Hanging ring design, more convenient to carry 7. Plug and play, convenient and fast 10. Support mobile phone OTG function