voice activation造句怎么写

In trailer mode, the system is connected to and controlled by Optimus Prime and can be instantaneously activated by the voice activation code "Powerlinx Overload".

Another cool feature of this is the voice activation for hands free phones.

Single low tone initiate voice activation

Voice activation is perfect for placing a call; opening the flip lid on a phone is probably the most effective way of answering it (or again using voice activation for hands-free use).