Complete program requirements and you could get a free MacBook br br br br The MacBook Air has an anodized aluminum casing that is 0.16 inches at its thinnest point and 0.76 inches at its thickest. Often described as the same size as a pad of paper, the laptop has just one USB port, an audio headphone jack and built-in speakers and microphone. MacBook Air comes with built-in Bluetooth wireless technology for connecting and synching the laptop to a PDA, cell phone or wireless headset. It has an embedded iSight camera capable of taking still photos as well as recording video. br br The MacBook Air does not come with a DVDCD drive. To install software from a disc, the consumer has two options: he can use the Remote Disk feature to wirelessly connect to another computer's DVDCD drive or purchase an external MacBook Air SuperDrive, which is sold separately. (SuperDrive is a multi-format CDDVD readwrite drive that plugs into the MacBook Air's single USB port.) The laptop uses Wi-Fi for networkInternet connections with 802.11n wireless networking capabilities. It can only use a wired Ethernet connection if the customer purchases an optional USB Ethernet adapter.