Hand-held Multipurpose Intelligent Mouse
*Hand-held multifunction intelligent mouse is a new generation ergonomic invention, combining optical mouse with trackball mouse.
*Its unique shape makes it no need of plane support.
*You can adjust your posture freely, even if you are sitting on sofa or lying down.
*You can also use it in narrow space, like in a car, train or airplane. And it can greatly ease the harm of palm joint or muscle for long-time using mouse.
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