QB is controlled remotely, but an in-built laser guidance system ensures it does not bump into the furniture or door frames.
QB可以进行远程控制，同时一个内置的激光制导系统确保它不会撞上家具或者门框。
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。
QB runs for up to eight hours on a full charge and will automatically return to its charging base if the lithium battery pack runs low.
QB一次性充足电量后的运行时间长达8个小时，同时当锂电池电量低时它将会自动地回到充电基座的位置上。
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