Music in mobile phone can be pulled out through Bluetooth and transmitted to car sound box over FM frequency.

在汽车里面和蓝牙手机连接，通过FM的频率，把手机中的声音在汽车音箱里面播放出来。

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If you have a bluetooth connection in your car that doesn't support A2DP, you'll only hear phone calls.

如果您有蓝牙连接你的车中不支持的A2DP，您只能听到电话。

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But it didn't confuse the Bluetooth speaker phone in my car, or interfere with it.

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Why can't your bluetooth phone start your car, since it already has a bluetooth speaker built in, instead of you having to carry your keys?

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Nokia also debuted two in-car navigation devices this year and a GPS accessory that turns any Bluetooth phone into a personal navigator.

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