Lenovo Go, Right-hand, Vertical design, Optical, RF Wireless, 2400 DPI, Grey Lenovo Go. Form factor: Right-hand, Vertical design. Movement detection technology: Optical, Device interface: RF Wireless, Movement resolution: 2400 DPI, Buttons type: Pressed buttons, Buttons quantity: 6, Scroll type: Wheel. Power source: Batteries. Product colour: Grey