Mouse size: ordinary mouse (100-120mm) Connection with computer: wired Optical resolution: 1600dpi (dpi) Number of keys: 4 (keys) Interface: USB Ergonomics: support Adjustable resolution: three gears and Working method: photoelectric Wheel direction: four-way wheel Features: gaming mouse, ergonomics Cable length: 1.42 (m) Product size: 112*68*32mm Product weight: 0.086 (KG)