What color it will show when working ? It's breathe led , when wotking , it will change the color : blue/red/pink/green/light blue , the build-in Lamp bead make the mouse change the color , when you use it at night , it is very beautiful . 1.100% brand new and high quality 2.Optical resolution 1200dpi, accurate and reliable positioning 3.Can be used on almost any surface 4.Comfortable to use both right and left hand 5.With two buttons and one scroll wheel 6.Compact and light, easy to carry 7.Produce by sovawin factory , we use Hight quality chipset, stable and durable . Color: Transparent Blue / Pink / White Size: approximately 11.8*6.4*2.5CM Movement Detection: Optical Movement Resolution: 1200dpi Interface: USB Buttons: 3 The lenght of the wire : 123cm ?