1. Stable main control circuit + high-speed FLASH chip, data is stored effectively for a long time. 2. The USB 2.0 interface greatly increases the data transfer speed, greatly improving the efficiency of reading and writing large amounts of data, without installing drivers, plug and play. 3. The unique key design protects the USB 2.0 interface from dust. At the same time easy to access the computer 4. Traditional key style design, stainless steel polished and polished surface, exquisite fashion. 5. Integrated piercing, hanging steel ring, reliable, easy to carry.