Listening to a headset at high volumes can damage your hearing. Use only the minimum volume setting necessary to hear your conversation or music.

若音量过大，使用耳机可能会损害您的听觉。请仅使用聆听对话或音乐必需的最小音量设定。

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Fixed a problem waking device when switched off the lock screen. If you press the volume buttons and the headset button.

如果按了音量键或者耳机通话键，并关闭锁屏功能时，不能唤醒手机的问题。

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Piezoelectric ceramic is used as a second noise source to reduce the volume and mass of the headset.

次级声源采用压电陶瓷驱动，可有效减轻耳罩体积和重量。

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The fingertip-sized UbiChip that forms the guts of the device can be put into pretty much anything provided it's in contact with your skin and it can detect the shock so you could turn on a Bluetooth headset by tapping your earlobe rather than fumbling for a button, or tweak the volume of your cellphone by tapping your face.

ENGADGET: A fingertap away

On the right edge, you'll notice a volume jog dial for incoming chat audio and a backlit button for switching between speaker and headset mode.

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