You can also find the power button and lock screen key on this squiggly cable, as well as another microphone for noise cancellation and improved voice quality.
这根弯弯曲曲的线缆上还能找到开机键和锁屏键，以及另外一个麦克风，用于噪音消除和提升语音质量。
2
Identifying your voice is key.
识别你的声音是关键。
3
Pronunciations play a key role in a high-quality voice application.