The Kensington SlimBlade™ Pro Wireless Trackball in black offers a sleek and ergonomic design for precise control. With a rechargeable battery providing extended use, this trackball features optical tracking and 4 buttons for customized functionality. The wireless connectivity allows for freedom of movement while the slim design makes it easy to handle. The DPI can be adjusted up to 1600 for accuracy, making it a reliable choice for computer users looking for a reliable pointing device.