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。
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.
免费版本内置4种配置文件（外接电源供电，USB供电，电池供电，电池电量低），而99美分的付费版本则允许用户自定义配置文件。
The free version comes with 4 profiles (Battery powered, low battery, A/C powered, USB powered), while the 99 cent pro version allows you to build you own.
免费版本内置4种配置文件（外接电源供电，USB供电，电池供电，电池电量低），而99美分的付费版本则允许用户自定义配置文件。
The free version comes with 4 profiles (Battery powered, low battery, A/C powered, USB powered), while the 99 cent pro version allows you to build you own.
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