Type : Optical mouseMouse size : Normal mouse (100-120mm)Connection with computer : WirelessApplicable models: desktopPhotoelectric resolution: 2400dpi (dpi)Number of buttons: 6 (key)Interface: USBWhether to support ergonomics: supportAdjustable resolution: four filesOperating distance: 10 (m)Working method: PhotoelectricRoller direction: four-way wheelProduct weight: 0.2 (KG)