This product has been tested and certified to work and look like new, with minimal to no signs of wear, by a manufacturer or specialized third-party seller approved by Amazon. 13.3-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1600 resolution at 227 pixels per inch; Support for Thunderbolt 3–enabled external graphics processors (eGPUs) [optional, not included] Intel Core i5-8210Y Dual-Core 1.6GHz processor with up to 3.6 GHz Turbo Boost; Intel UHD Graphics 617 integrated graphics 128GB PCI-E based flash memory storage; 8GB of 2133MHz DDR4 SDRAM onboard memory Built-in FaceTime HD camera for video chatting. Built-in stereo speakers along with three microphones, 3.5mm headphone port; 802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible. Bluetooth 4.2 technology