GPS

The good: The Harman Kardon Guide + Play GPS-500 features a stylish design and wide screen. It offers text- and voice-guided directions as well as music and video playback.

The bad: The GPS-500 doesn't support text-to-speech functionality, and it takes the system a while to acquire a GPS fix. Directions weren't always efficient.

The bottom line: Style and ease of use mark this basic portable navigation and multimedia device, but the Harman Kardon Guide + Play GPS-500 doesn't offer the same smooth performance and efficiency of competing products.

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