MODELS: LG GRAM 15Z90 SERIES - 15Z90N - 15Z90P - 15Z90Q NOTE: THERE ARE DIFFERENT DISPLAYS FOR THE MODELS SHOWN. ACCORDING TO COMPATIBILITY THROUGH FEATURES
NUMBER OF BUTTONS: 4 SENSOR: OPTICAL SENSITIVITY: 1000~1600 DPI CONNECTION: USB NANO RECEIVER RADIO FREQUENCY: 2.4 GHZ OPERATING DISTANCE: UP TO 10M OPERATING SYSTEMS: WINDOWS | MAC OS | LINUX