ProductsStatus:Stock Wi-FiRange:10m Type:2.4GhzWireless HandOrientation:Right DPI:1600 TrackingMethod:Optical WirelessTechnology:Supported Style:Trackballs InterfaceType:USB Package:Yes Application:DesktopLaptop NumberofButtons:6 NumberofRollers:1 ModelNumber:ZB83701~ZB83703 Dpi::800-1200-1600 RF::2402MHz-2480MHz Ratedvoltage::3.0V Ratedcurrent::12mA Battery::1*AAAbattery(Notincluded) Max.Acceleration::28ft/Sec Colors::Black&redBlack&blueBlack&purple Size::approx.103*58*35mm(L*W*H) Netweight::55g OpticalResolution:1600DPI