number of rollers: 1 style: 7D type: Wired interface type: usb power type: None hand orientation: right tracking method: Optical dpi: 1200-2400-3600DPI Ergonomics: Yes programmable: Yes place of origin: China backlit: >7-RGB brand name: R8 number of buttons: 7 Mouse Type: Wired One Feature: High-end Features Interface: USB 2.0 Material: ABS Plastic Package: Color Box Design: 7d Marco Mouse with software Key stroke life: 10 million times IC: 704