Both sides of the card U disk can be printed or engraved with the LOGO of the company designated by the customer, which plays a role in advertising and is a good gift for customers.At the same time, carry and use are very convenient, read and write speed, large storage capacity;This product is installed with imported original samsung or Toshiba chips, with guaranteed quality and quantity, and the average service life is more than 5 years;On the other hand, it can import the promotional materials of the company or enterprise designated by the customer and set the format of auto-play. Once USB is connected to the computer, it can automatically play the imported promotional materials, which is a kind of advertising effect.