Bluetooth is a very useful wireless communication device which allows you to transfer data to/from other bluetooth devices. An increasing number of devices and peripherals are being produced with Bluetooth ability, including, other laptops, printers, scanners, mobile phones and PDAs.CD-ROM is an optical drive which can read data and audio CDs.
CD-RW is an optical drive which can write (burn) data and audio to blank CDs, as well as read CDs (like CD-ROM).
DVD-ROM drives are capable of reading both CDs and DVDs. This type of drive allows you to watch DVDs on your laptop.
DVD-RW drives allow you to write (burn) data, audio and video to blank DVDs. It will also read both CDs and DVDs.
LAN (Local Area Network) devices allow you to connect to a network or other computer via an RJ45 socket built into the laptop.
Wi-Fi enables you to connect wirelessly in your home when used in conjunction with a wireless router. It also allows you to connect to any wireless hotspots, such as those in airports, cafes, libraries, etc.
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