The Chicony KB-5191 Computer Keyboard is a vintage keyboard that offers a retro feel and style for all your computing needs. With a sleek design and reliable functionality, this keyboard is perfect for those who appreciate a classic look and traditional layout. Whether you're a collector or simply looking for a functional keyboard with a touch of nostalgia, the Chicony KB-5191 is a great choice for you. VERRRRY CLEAN. I believe they are yellow miniature Mitsumi switches.