Acer mice, keyboards and stylus pens give you high precision and great comfort for accomplishing your tasks. The wireless mice and keyboards provide function at a distance while the stylus lets you write effortlessly on your smartphone or tablet.Interfaces/PortsPointing Device Host InterfaceUSBPointing DevicePointing Device Connectivity TechnologyWirelessMovement DetectionOpticalMovement Resolution520 dpiNumber of Total Buttons2Scroller TypeScroll WheelPhysical CharacteristicsColourBlueHeight33.9 mmWidth55.3 mmDepth96.6 mmMiscellaneousSystem Requirements Operating Systems:Windows 98Windows 2000Windows MEWindows XPFor Any Query Please Contact Bizgram Asia Pte Ltd +65-87776955