入力デバイス >マウス >有線光学式・レーザー式・BlueLED・IR LED >EEEEEEEXEEEEEEEEEEEEEEEEEEEEE[EEEEEEEAEEEEEEE[EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE[EEEEEEEVEEEEEEEEEEEEEEEEEEEEEEEEEEEE