CPU Type: Intel Core i5 CPU Speed: 2.3 GHz Turbo Frequency: Up to 3.6 GHz Number of Cores: Dual-core Processor Memory: 8 GB Memory Speed: LPDDR3 2133 Operating System: Mac OS X v10.12 Sierra CPU: Intel Core i5 2.3 GHz Screen: 13.3" Memory: 8 GB LPDDR3 Storage: 128 GB PCIe-based onboard SSD Graphics Card: Intel Iris Plus Graphics 640 Video Memory: Shared memory Dimensions (W x D x H): 11.97" x 8.36" x 0.59" Weight: 3.02 lbs. Screen Size: 13.3" Touchscreen: No Wide Screen Support: Yes Display Type: Retina Display Resolution: 2560 x 1600 LCD Features: In-plane Switching (IPS) Technology GPU/VPU: Intel Iris Plus Graphics 640 Video Memory: Shared system memory Graphic Type: Integrated Card: 802.11ac Wireless LAN Bluetooth: Bluetooth 4.2 Video Port: 2 x Thunderbolt 3 (USB-C) Audio Ports: 3.5 mm headphone jack AC Adapter: 61W USB-C Power Adapter Battery: Built-in 54.5-watt-hour lithium-polymer battery