2 Chapter 1DVD/CD-RW combo drive 5-in-1 card reader supporting Secure Digital™ (SD), MultiMediaCard (MMC), Memory Stick ® (MS),Memory Stick PRO ™ (MS PRO), xD-Picture Card ™ (xD)Input devices 105-/106-key keyboard with inverted "T" cursor layout, 2.5 mm (minimum) key travel Seamless touchpad pointing device with Acer Bio-Protection fingerprint reader supporting AcerFingerNav 4-way control function (manufacturing option) Seamless touchpad pointing device with 4-way scroll button (manufacturing option) 12 function keys, four cursor keys, two Windows® keys, hotkey controls, embedded numeric keypad,international language support, independent Euro and US dollar sign keys Easy-launch buttons: Acer Empowering Key, Internet, email, user-progammable Productivity keys: Lock, Presentation, Sync Front-access communication switches: WLAN and Bluetooth ®Audio Two built-in Acer 3DSonic stereo speakers Intel® High Definition Audio support Built-in microphone MS-Sound compatibleCommunication Acer Video Conference featuring:Integrated Acer CrystalEye webcam supporting enhanced Acer PrimaLite™ technologyOptional Acer Xpress VoIP phone WLAN: Intel® Wireless WiFi Link 4965AGN (dual-band quad-mode 802.11a/b/g/Draft-N) networkconnection, supporting Acer SignalUp™ with InviLink™ Nplify™ wireless technology (for selectedmodels), or Intel® PRO/Wireless 3945ABG (dual-band tri-mode 802.11a/b/g) Wi-Fi CERTIFIED®network connection, supporting Acer SignalUp™ wireless technology (for selected models), or AcerInviLink 802.11b/g Wi-Fi CERTIFIED® solution, supporting Acer SingalUp™ wireless technology (forselected models) WPAN: Bluetooth® 2.0+EDR (Enhanced Data Rate) LAN: Gigabit Ethernet; Wake-on-LAN ready Modem: 56K ITU V.92 with PTT approval; Wake-on-Ring readyI/O Ports ExpressCard™/54 slot PC Card slot (one Type II) 5-in-1 card reader (MS/MS PRO/MMC/SD/xD) Four USB 2.0 ports DVI-D port (for selected models) IEEE 1394 port Fast Infrared (FIR) port (for selected models) External display (VGA) port S-video/TV-out (NTSC/PAL) port Headphones/speaker/line-out jack Line-in jack