You could use a hands-free device or an earphone.

可以使用免提设备或者耳机。

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Experts say people who are concerned about mobile phones can take steps like using a hands-free device.

专家们表示，担心手机辐射的人们可以采用一些措施，例如使用免提装置。

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Experts say people who are concerned about mobile phones can take steps like using a hands-free device.

专家说，担心手机会造成危害的人可以使用免提系统。

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This is one of the advantages of being the first to offer built-in hands-free calling on a navigation device.

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Blaster Bee is a rechargeable, compact-size, on-the-go stereo speaker that plays music wirelessly from any Bluetooth device and that can double as a hands-free speakerphone, with its built-in microphone.

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The company is developing its own in-car device holder so that customers can hook up their phones for hands-free functions, and more importantly, the Zipcar smartphone app is due for a major update.

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