The Simpletek DA-20116 is a high-precision wired optical mouse designed to ensure comfort, reliability and universal compatibility. Thanks to the USB connector and PS/2 adapter included, it can be used on both modern PCs and legacy systems. Ergonomic design allows prolonged use without fatigue, while the precision optical sensor ensures smooth and responsive movements, ideal for office, home or professional environments. Technical Specifications Model: Simpletek DA-20116 Quantity: 2 pieces Type: Wired Optical Mouse Connection: USB with PS/2 adapter included (combo) Sensor: High Precision Optical Resolution (DPI): 800 DPI Buttons: 3 buttons (left, right and scroll wheel) Design: Ergonomic for prolonged use Compatibility: Windows, Linux, legacy systems with PS/2 port Color: Black Plug & Play: Yes, without additional drivers The Simpletek DA-20116 is the ideal choice for those looking for a simple, compatible and reliable mouse, perfect for any type of location, even dated.