CAIRO — Melania Trump says she has, at times, told the president to put his phone down. And she says she doesn't always agree with what he tweets.

The U.S. first lady spoke briefly with reporters Saturday as she was wrapping up a four-country tour of Africa with a visit to the pyramids and the Great Sphinx in Egypt.

Standing in front of the Sphinx, Mrs. Trump said she makes her opinions clear with her husband.

"I don't always agree what he tweets," she said in a rare, unscripted interaction with reporters. "And I tell him that. I give him my honest opinion and honest advice. And sometimes he listens and sometimes he doesn't. But I have my own voice and my opinions and it's very important for me that I express what I feel."

As for whether she's ever told him to put his phone down, she said, "yes," with a laugh.

Mrs. Trump arrived in Cairo on Saturday after a flight from Kenya. She met with Egyptian President Abdel-Fattah el-Sissi and his wife, Entissar Mohameed Amer, before heading to the nearby city of Giza to see the pyramids and Sphinx to highlight U.S.-backed preservation efforts.

The U.S. Agency for International Development has been working with the Egyptian government for the past several years on a project to lower groundwater levels to prevent additional damage to the landmarks. Saline content in the water can erode their foundations.

The first lady described her tour, which took her to Ghana, Malawi, Kenya and Egypt, as "amazing" and said she hoped people would talk more about her visit and less about her fashion choices.

"That's very important what I do, what we're doing with U.S. aid and what I do with my initiatives and I wish people would focus on what I do, not what I wear," she said.

Mrs. Trump's outfit choices have drawn considerable attention, as when she wore a jacket that read "I REALLY DON'T CARE, DO U?" during a trip to visit migrant children who'd been separated from their families at the southern border.

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Associated Press writer Jill Colvin contributed to this report from Washington.