The Elecom M-XT4DRBK-G Mouse Wireless Trackball is a unique and ergonomic mouse designed for left-handed users. It features a red trackball with a maximum DPI of 1500, 6 buttons, and wireless connectivity. The mouse is compact, with dimensions of 3.5 inches in length and 1.79 inches in width. It is an optical trackball mouse from the trusted brand ELECOM, known for its quality and reliability in the market. Ideal for those looking for a comfortable and efficient mouse for their left-hand.