The High Precision Optical Mouse BTO M309 is a wired USB mouse with a sleek black design and an ergonomic 3-button layout. It offers a maximum DPI of 1000, ideal for precise and smooth cursor movement. This standard mouse from BTO features a scroll wheel and optical tracking method for efficient navigation on your computer or tablet. With its reliable connectivity and compact unit quantity, this mouse is a practical and efficient accessory for improving your computer experience.