<b>Battery Information</b> <li>Battery Chemistry: Lithium Polymer (Li-Polymer)</li> <li>Number of Cells: 8-cell</li> <li>Battery Energy: 50 Wh</li> <li>Maximum Battery Run Time: 10.90 Hour</li> <b>Built-in Devices</b> <li>Speakers: Yes</li> <li>Microphone: Yes</li> <li>Finger Print Reader: Yes</li> <li>Webcam: Yes</li> <b>Interfaces/Ports</b> <li>HDMI: Yes</li> <li>DVI: No</li> <li>Total Number of USB Ports: 2</li> <li>Number of USB 3.0 Ports: 2</li> <li>Headphone/Microphone Combo Port: Yes</li> <li>Mini DisplayPort: Yes</li> <b>Display &amp; Graphics</b> <li>Aspect Ratio: 16:9</li> <li>Screen Resolution: 1920 x 1080</li> <li>Screen Size: 14&quot;</li> <li>Screen Mode: Full HD</li> <li>Touchscreen: No</li> <li>Graphics Controller Manufacturer: Intel</li> <li>Graphics Controller Model: HD Graphics 5500</li> <li>Graphics Memory Technology: DDR3L SDRAM</li> <li>Graphics Memory Accessibility: Shared</li> <li>Display Screen Type: Active Matrix TFT Color LCD</li> <li>Backlight Technology: LED</li> <b>General Information</b> <li>Product Type: Ultrabook</li> <li>Manufacturer Part Number: 20BS003AUS</li> <li>Manufacturer Website Address: http://www.lenovo.com/us/en/</li> <li>Manufacturer: Lenovo Group Limited</li> <li>Product Model: 20BS003AUS</li> <li>Product Name: ThinkPad X1 Carbon 20BS003AUS Ultrabook</li> <li>Product Line: ThinkPad</li> <li>Product Series: X1 Carbon</li> <li>Brand Name: Lenovo</li> <b>I/O Expansions</b> <b>Input Devices</b> <li>Keyboard: Yes</li> <li>Pointing Device Type: Trackpoint</li> <li>Keyboard Backlight: Yes</li> <li>TouchPad Features: Multi-touch Gesture</li> <b>Memory</b> <li>Standard Memory: 4 GB</li> <li>Memory Technology: DDR3L SDRAM</li> <li>Memory Standard: DDR3L-1600/PC3-12800</li> <li>Memory Card Reader: No</li> <b>Miscellaneous</b> <b>Package Contents</b> <li>ThinkPad X1 Carbon 20BS003AUS Ultrabook</li> <li>AC Adapter</li> <li>Windows 8.1 Pro 64-Bit License Media</li> <b>Security Features</b> <li>Security Keyhole</li> <li>Power-on Password</li> <li>Hard Disk Password</li> <li>Supervisor Password</li> <li>Trusted Platform Module, TCG 1.2-compliant</li> <b>Green Compliant</b> Yes <b>Green Compliance Certificate/Authority</b> EPEAT Gold <b>Network &amp; Communication</b> <li>Bluetooth: Yes</li> <li>Wireless LAN: Yes</li> <li>Wireless LAN Manufacturer: Intel</li> <li>Wireless LAN Model: Dual Band Wireless-AC 7265</li> <li>WWAN Supported: Yes</li> <li>Wireless LAN Standard: IEEE 802.11a/b/g/n/ac</li> <li>Bluetooth Standard: Bluetooth 4.0</li> <li>Ethernet Technology: Ethernet</li> <li>SIM Size Supported: No</li> <b>Physical Characteristics</b> <li>Weight (Approximate): 3 lb</li> <li>Color: Black</li> <li>Height: 0.7&quot;</li> <li>Width: 13&quot;</li> <li>Depth: 8.9&quot;</li> <b>Power Description</b> <li>Maximum Power Supply Wattage: 65 W</li> <b>Storage</b> <li>Optical Drive Type: No</li> <li>Solid State Drive Capacity: 128 GB</li> <li>Solid State Drive Interface: Serial ATA/600</li> <li>Solid State Drive Configuration: 1 x 128 GB</li> <b>Processor &amp; Chipset</b> <li>Cache: 3 MB</li> <li>Processor Speed: 2.20 GHz</li> <li>Processor Type: Core i5</li> <li>Processor Model: i5-5200U</li> <li>Processor Core: Dual-core (2 Core)</li> <li>64-bit Processing: Yes</li> <li>Processor Manufacturer: Intel</li> <li>Chipset Manufacturer: Intel</li> <li>Hyper-Threading: Yes</li> <li>vPro Technology: No</li> <li>Direct Media Interface: 5 GT/s</li> <li>Maximum Turbo Speed: 2.70 GHz</li> <b>Software</b> <li>Software Included: </li> <li>Lenovo Solution Center</li> <li>Lenovo SHAREit</li> <li>ThinkVantage Product Recovery</li> <li>Rescue and Recovery</li> <li>ThinkVantage System Update</li> <li>PC Device Stage</li> <li>Adobe Reader</li> <li>Evernote</li> <li>Skype</li> <li>Maxthon Cloud Browser</li> <li>Microsoft Offic</li>