The Canon Wireless Mouse Calculator Keypad Bluetooth 3-in-1 in black is a sleek and versatile device perfect for those who need a slim mouse with built-in calculator functions. With Bluetooth connectivity and a maximum DPI of 1200, this mouse allows for convenient wireless usage and precise tracking. The ergonomic design and keypad features make it comfortable and efficient for everyday use, while the battery status indicator ensures you're always aware of your battery level. The laser tracking method ensures smooth and accurate cursor movement, making it a reliable choice for any user.