Check the listing for details. Califone Wide Wired Optical Mini Mouse KM100 ✅❤️️✅❤️️ New! Sealed Inside!. Condition: Open box. Listed at 9.99 USD. Califone Wide Wired Optical Mini Mouse KM100 New, Sealed Inside open box! Great shape. The Child-Sized Optical Computer Mouse from Califone is a colorful mouse that is designed to be used by children. The small mouse features 2 buttons and a scroll wheel. It can be connected to any computer with a PS/2 or USB interface. This is an excellent mouse for your child to use at home or in the classroom.Child SizeThe mouse is designed to be used by younger children and features a smaller form factor that allows them to more easily grip it. It also features a colorful design that will make your child more interested in using a computer.Rugged DesignThe mouse is constructed from rugged ABS plastic. This plastic passes school safety tests. The mouse itself is rated for up to 1 million clicks.Optical TrackingThe mouse features an 800 dpi optical tracking interface. Optical tracking is much more precise than a mechanical ball mouse, and is also less prone to mechanical failure. Scroll TypeScroll WheelNumber of Buttons2Mouse Hand OrientationRightLED IlluminationNoneFull-Functionality OS SupportWindowsConnectivityConnectorUSB Type-A (PS/2 via Adapter)LED IndicatorNonePackaging InfoPackage Weight0.25 lbBox Dimensions (LxWxH)4.8 x 3.8 x 1.6"