For people concerned about safety — women in particular — Taser International has come up with a hand-held electric weapon with a built-in MP3 player.

为了满足那些担心安全问题的人——尤其是女人——的需要，泰瑟国际公司发明了一种手持的内置MP3播放器的电子防身设备。

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Apple did this during the 2000s in the MP3 player, cell phone, and tablet markets.

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Samsung is the first major manufacturer to embed a Bluetooth radio chip in an MP3 player, allowing it to broadcast to a pair of wireless stereo headphones.

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Everything's in there: MP3 player with stereo speakers, a 5-megapixel camera, DVD-quality video, GPS maps, Bluetooth, Wi-Fi, high-speed cellular, spreadsheets, e-mail.

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