The Apple MacBook Pro "Core i5" 2.7 15'' Retina Display Used MacBook Pro mac OS High Sierra 10.13.6 Upgradable Tested Fully Functional. Battery - Supports 100% Charge Connectivity - All Fully Functional. Case - Minimal Case Wear near excellent condition. (See Photos) Charger - Included CPU - 2.7 GHz Intel "Core i5" processor (5257U), with dual independent processor "cores" on a single silicon chip, a 3 MB shared level 3 cache Ram -  8GB of onboard 1866 MHz LPDDR3 SDRAM  HD - 128 GB of 4 Lane PCIe-based flash storage by default Graphics -Integrated Intel Iris Graphics 6100 graphics processor that shares memory with the system.  Video - It also has an integrated 720p FaceTime HD webcam Display - High-resolution LED-backlit 13.3" widescreen 2560x1600 (227 ppi) "Retina" display Case -  Aluminum weighs just less than 3.5 pounds (1.58 kg).  DVD - It does not have an internal optical drive. Connectivity - Includes 802.11ac Wi-Fi, Bluetooth 4.0, two USB 3.0 ports, two "Thunderbolt 2" ports, an HDMI port, an audio in/out port, and an SDXC card slot. Battery - sealed provides an Apple estimated 10 to 12 hours of battery life depending on use. Extras - This model has a backlit keyboard, a clever haptic-capable "Force Touch" trackpad and an internal Buy With Confidence Sold AS IS Thanks For Looking. There is no issues that can't be worked out by communication. Reach out to me if you have any questions. Thanks