使用得最多最频繁的色键颜色是蓝色和绿色。
Blue and green are the chroma key colors most frequently used.
它工作很简单，把驱动光盘放进光驱，过差不多一分钟，你就可以抓住这个鼠标并且按下那个蓝色的“连接”键了。
Getting it working is pretty straightforward. Pop in the driver disc and after a minute or so, you're prompted to toggle on the mouse and press the blue "connect" button.
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