The ELECOM DEFT PRO Trackball Mouse is a versatile and efficient mouse designed for users looking for a comfortable and precise pointing experience. With a maximum DPI of 1500, this optical trackball mouse offers smooth and accurate cursor movement. Its tri-mode connectivity options, including Bluetooth and wireless capabilities, ensure flexible and convenient use. The sleek black design and compact unit make it a stylish and practical choice for everyday use. Whether you need a reliable wireless mouse for your computer or a unique trackball device, the ELECOM DEFT PRO Trackball Mouse S540 is a top option.