Charge your Zune in the car with a Microsoft Zune Car Charger. Make sure you have a full battery for optimum audio and video playback. The Zune digital player is small enough and portable enough to go with you anywhere. The car charger helps to take that portability even further by plugging in to your car's lighter. Use it on road trips, during your morning commute, or whenever your Zune needs some juicing up. Once it's charged, it will give you up to 12 hours of responsive, effortless performance.