wall outlet

基本解释

A wall outlet or car adapter is a much better bet.
墙插或车载充电器显然要好用得多。
The easy way is to purchase an LCD that can be plugged into a wall outlet or car adapter, depending on your needs.
简单的方法是购买一个 LCD，它可以根据需要插到墙上的插座或车载适配器上。
Again, you'll have to do some cable splicing and soldering, but in the end you avoid having to use an additional wall outlet.
同样，也需要焊接一点儿电路，但是这样最后就不需要使用另外一个墙上的插座了。

Convenient Pass-Through Mode - Both Joey and the user's device can be charged from a single wall outlet cable.
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The device can be plugged into a wall outlet or battery powered.
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The 20W box will play audio streamed from any AirPlay-capable device on the same WiFi network while it sits demurely on a wall outlet.
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