How long is the visa to the United States valid?

Fast network according to query method.

1. The tourist business visa is valid for one year from the date of obtaining the visa, with multiple round trips within one year.

2. The work visa is valid for 3 years and can be extended once. The validity of other seasonal labor visas depends on the needs.

3. Special talent visa. Generally, the O visa is valid for one year and can be extended once a year.

4. the validity period of class f study visa is one year.