The XB-12 mini centrifuge has a novel and unique appearance and is flexible and versatile. It is equipped with two kinds of centrifugal rotors and a variety of test tube holders and is suitable for 2.0ml, 1.5ml, 0.5ml, 0.2ml centrifuge tubes, and 0.2ml, 8-row centrifuge tubes for PCR. Humanized design, with the function of a flip switch, automatically stops when the cover is opened (stops when the cover is opened), and has electronic timing and speed adjustable functions. A full transparent spherical upper cover and multiple rotors are equipped to achieve the best effect in the pursuit of creativity and simplicity and inject human color into scientific and rational laboratory products.