CE Compass Wireless Finger HandHeld USB Laser Trackball Mouse Mice PC Laptop Desktop computer
Off-table design for free and comfortable operation. Ideal for laptop users. Thumb-controlled trackball. Ideal for presentation.Wireless Trackball Mouse is a new generation ergonomic of mouse, combining the optical mouse with the trackball mouse creatively.Its unique shape makes it not need the table support. You can adjust your posture freely, even if you are sitting on sofa or lying down, you can also use it conveniently, especially when you are in the narrow space, like in the car, train or in the plane.That greatly ease the harm of palm joint or muscle for long time using mouse, completely solve the mouse hand.