Conférencier principal souriant pointant sur tablette isolée sur blanc - Photo & image de stock

Photo of cheerful mature man show fingers okey symbol approve good tablet app isolated over yellow color background.

Portrait of candid friendly aged person hand touch eyewear look camera isolated on yellow color background.

Grey hair professor looking at smartphone in lecture room

Portrait of a handsome mature businessman dressed in formal wear standing isolated over white background, taking notes on notepad

Portrait of attractive cheerful grey haired man using device post 5g smm isolated over bright yellow color background.

Senior lecturer holding book and looking away

Photo of aged man use tablet think dream idea look empty space isolated over yellow color background.

Excited senior man in bow tie and jacket holding smartphone isolated on grey

Smiling elderly man looking at camera while holding laptop isolated on grey

Smiling senior man pointing with finger at smartphone with blank screen isolated on grey

Grey haired man in shirt and jacket smiling at camera while holding laptop isolated on grey

Shocked senior man looking at laptop isolated on grey

Smiling senior man holding digital tablet with blank screen isolated on grey

Positive senior man talking on smartphone and pointing with finger isolated on grey

Pensive handsome grey hair man holding book and looking at camera