Amazon’s lopped $50 off the price of the 4.7-inch Magellan Maestro 4700, which includes Bluetooth, voice command, and predictive traffic features. You can get it for $140, today only.

Other features include a built-in AAA TourBook, 6 million points of interest, highway lane assist, spoken street names, and 3D landmarks “such as stadiums and bridges.”

Magellan Maestro 4700 4.7-Inch Widescreen Bluetooth Portable GPS Navigator [Amazon.com]