Purpose:
B-1/B-2 visas are intended for temporary visitors coming to the United States for business and short-term training (B-1) or for pleasure (B-2);
B-1/B/2 visas are issued based on the temporary nature of the travel, and may be used to negotiating contracts, attending exhibitions and conferences, short-term training, and consultations with business associates, suppliers and customers (B-1), and for sightseeing, visiting friends and relatives, obtaining medical treatment (B-2).
B visas are not valid for employment in the United States.