This is a GPS package deal that includes the Nuvi 680 vehicle suction cup mount, AC charger, carrying case, dashboard disk, MSN Direct receiver/vehicle power cable, USB cable, owners manual and quick reference guide. It is compatible with windows 2000 or newer. This is the description from garmin's website:
Get MSN Direct
With dynamic content from MSN Direct, nüvi 680 is one resourceful personal travel assistant. Using the included receiver and free trial service* to MSN Direct, you can check the weather, avoid traffic backups, compare local gas prices and check movie times and locations when you travel with your unit. The MSN Direct receiver is plug-and-play portable, making it easy to connect to your unit when out and about.

See More
With nüvi 680's widescreen display, you'll always get the big picture. View map detail, driving directions, photos and more in bright, brilliant color. Its sunlight-readable, 4.3-inch display is easy to read — from any direction.

Navigate With Ease
nüvi 680 comes ready to go right out of the box with preloaded City Navigator® NT street maps, including a hefty points of interest (POIs) database with hotels, restaurants, fuel, ATMs and more. Simply touch the sunlight-readable color screen to enter a destination, and nüvi takes you there with 2-D or 3-D maps and turn-by-turn voice directions. It even announces the name of exits and streets so you never have to take your eyes off the road. In addition, nüvi 680 accepts custom points of interest, such as school zones and safety cameras and lets you set proximity alerts to warn you of upcoming POIs.

Make Hands-free Calls
Talk about worry-free driving. nüvi 680 integrates Bluetooth® wireless technology with a built-in microphone and speaker, so you can pair it with your compatible Bluetooth phone. Then talk hands-free through the 680 while staying focused on the road. Simply dial numbers with nüvi's touchscreen keypad to make a call. To answer calls, just tap nüvi's screen and speak directly into its built-in microphone. You can also easily look up and dial numbers from your personalized phone book or from your phone’s call history log. With 1-touch dialing for points of interest (POIs), you can conveniently call ahead for reservations or information.

Take It With You
Like the rest of the nüvi series, nüvi 680 sports a sleek, slim design and fits comfortably in your pocket or purse. Its rechargeable lithium-ion battery makes it convenient for navigation by car or foot.

Go Beyond Navigation
Navigation is just the beginning. nüvi 680 includes many “must have” entertainment and travel tools including an MP3 player, audio book player (subscription to Audible.com required), JPEG picture viewer, currency converters and more. With nüvi 680's wireless FM transmitter, you can hear audio, including voice prompts, MP3s and audio books, through your vehicle's stereo. It also comes with Garmin Lock™, an anti-theft feature, and is compatible with our free Garmin Garage where you can download custom vehicles that show your location on the map. Enhance your travel experience with optional plug-in SD cards such as Garmin Travel Guides for detailed data on attractions.

The retail on this was $800.00, but this particular unit was used as a demo so I am selling it for $200. I also have one that is unopened for $300.00