而且也很轻呢。它用两个三号电池，电力可以播放二十小时的音乐！
And lightweight, too. It'll play for 20 hours on two AA batteries!
如果发现号在周日发射升空，此次飞行将持续13天，其主要任务是完成三次太空行走，其中的第一次行走将是安装新的太阳能电池板。
If Discovery blasts off Sunday, the mission will last 13 days and feature three spacewalks, the first of which will be to install the new solar wings.
本产品使用12个白光led，无色差，灯头可上下旋转，使用三节5号电池，。彩盒包装。
This product USES 12 white LED, no color, lamp can be rotated up and down, using 3 5 batteries. Color box packaging.
打开电池盖，按电池盒上标识的电池极性装入三节七号电池。
Open the battery box, install three AAA batteries according the polarity mark in the battery box.
打开电池盖，按电池盒上标识的电池极性装入三节七号电池。
Open the battery box, install three AAA batteries according the polarity mark in the battery box.
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