wireless finger mouse,finger mouse,Light sensor, can be used on different ... can used on knee pc accessory/mou Finger mouse(mini,usb,optical,3d) ,wing mouseDetailed Product DescriptionItem Name:wing ... ~4 / 1 weight of normal mouse; Wear it on finger; 800dbi, Support USB; Light sensor, can be used on ... enhanced up to 800 dpi * connector & pin assignment: Usb * operation distance:1.2m * dimension:63 x 33 x ...