1. Button configuration: 9 buttons
2. DPI adjustment: up to 8200DPI (preparation value is 800/1600/3200/5600)
3. Operating system: Windows XP/Vista/7/8
4. Made by durable and durable brushed aluminum metal processing technology
5. Ergonomic design, comfortable to use
6. Dimensions: 128.5x65.5x43.5mm