Brand new in its original package with the seals still intact. Wired version means no lagging and no impertinent disconnections. Scrolling up and down by rotating the ball with the tip of your fingers is an incredibly satisfying feeling and becomes second nature immediately. The 4 physical buttons are a breeze to click on and can be fully customized as per user preferences, additionally, 4 extra additional digital buttons are optional, and can be activated by pressing a combination of two buttons.The Kensington SlimBlade™ Trackball K72327US is a sleek and modern trackball mouse in black color. With USB connectivity and 4 programmable buttons, this mouse offers a unique and convenient way to navigate on your computer. The laser tracking method ensures precise and smooth cursor movement, making it a reliable choice for everyday use.