Board attachment type electrical connector

A board attachment type electrical connector comprising a first housing, a second housing located on the first housing movable with respect to the first housing, and a plurality of contacts, each contact having a contact part that is held by the second housing and that contacts a corresponding mating contact, a board connecting part that is held by the first housing and that is connected to a circuit board, and a flexible connecting part that allows the contact part to have free play with respect to the board connecting part, wherein

• the flexible connecting part has a first extension part that extends in a direction substantially parallel to the contact part after being bent from one side edge of the contact part, and a second extension part that extends in the opposite direction from the first extension part substantially parallel to the contact part after being bent from the other side edge of the contact part, and
• at least one of the first and second extension parts is connected to the board connecting part.