To help interact, QB has a laser pointer, twin high-resolution cameras, a 3.5-in. touch screen, and speakers.
为了有助于互动，QB有一个激光指针，双高清晰度的摄像头，3.5英寸触摸屏和扬声器。
To help interact, QB has a laser pointer, twin high-resolution cameras, a 3.5-in. touch screen, and speakers.
为了有助于互动，QB有一个激光指针，双高清晰度的摄像头，3.5英寸触摸屏和扬声器。
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