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
On the right side is the Micro SIM slot and another notch in the band at the bottom, and up top there's the power / sleep button, headphone jack, another notch, and new noise-canceling microphone.