Work/play wherever the mood takes you Do more with latest processors & graphics Enjoy superb HD display with optional multitouch Navigate with ease via intelligent touchpad Video chat seamlessly through HD webcam Watch DVDs & listen to music on the go Battery Life Up to 4 hours with standard 4-cell battery Weight Starting at 5.5 lbs 2.5 kg Stereo with Dolby Advanced Audio main speaker with built-in amplifiers and a sub-speaker. They can be attached to your laptop or desktop computer, or you can use them with your smartphone or MP3/MP4 player. compact mouse to use every day An advanced power management system, a high-efficiency laser sensor, and an off switch help to maximize your battery life