With automatic white-balance Settings, contrast level adjustment system, automatic gain control, backlight compensation function.

具有自动白平衡设置，反差系统水平调整，自动增益控制，逆光补偿等功能。

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The most we ever got was about eight hours, with the default backlight settings which leave the screen off most of the time.

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Battery power consumption depends on factors such as network configuration, signal strength, operating temperature, features selected, vibrate mode, backlight settings, browser use, frequency of calls and voice, data and other application usage patterns.

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