PERIPRO-305 is a glossy and classy dark red trackball. Diameter 1.0 inch (25 mm) / Body Weight Approx. 0.4 oz (1This is a replacement ball for PERIPRO-506 Perix Trackball PERIPRO-706. Also compatible with the same size (25mm) trackball The high gloss finish of the ball allows for agile and smooth movement and increases speed for increased work efficiency and less strain on the mouse Before use, wipe the ball with a soft cloth such as a glasses cloth, clean the keyboard/mouse body and insert it. Please note: If there is dirt such as liquid or oil on the surface of the ball or dust accumulated inside the main unit, the ball will lose its movement. In that case, remove the ball, clean the inside, and then wipe the dirt from the ball with a mild soap sponge or lightly damp cloth Manufacturer: Perixx Computer GmbH, Designed in Germany
