2016 Lenovo 15.6" High Performance Home and Business Laptop PC - (Intel Dual-Core i3 Processor, 4G DDR3, 500G HDD, Bluetooth, HDMI, Webcam, Windows 7/10 Pro) 15.6-inch High Definition Anti-glare WLED Backlit Display; Intel HD Graphics 4400 4th Gen Intel Dual-Core i3-3005U Processor 1.7GHz; 4GB DDR3 RAM; 500GB Hard Drive; NO optical drive Bluetooth, 802.11b/g/n Wireless LAN, Ethernet, Webcam, HDMI, 3 x Total USB Ports - 2 x USB 3.0 Ports - Network (RJ-45) - Headphone/Microphone Combo Port - 4-cell - 6 Hour Battery Run Time Lenovo OneLink Technology, combo headphone/microphone jack, premium JBL speakers optional with Dolby Advanced Audio Windows 7 Professional 64-bit, with Windows 10 pro upgrade option; 4 Cell Lithium-ion Battery up to 6 hrs battery life