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It is 4G car machine, the navigation is real-time, and it is global voice control, what does global voice mean, that is, where you say I want to go, he will automatically start navigation, more convenient than the mobile phone, and the large screen, more comfortable than the mobile phone, there are voice prompts you where to change the corner what.
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Shake eight signal is strong, memory is large, can be updated in time, cost-effective