Product Description Apple MacBook ProCore i5-3210M Dual-Core 2.5GHz 13.3″ Notebook General Features: Silver color Mac OS X version 10.7.5 pre-installed Intel Core i5-3210M Dual-Core2.5GHz processor Max Turbo Frequency: 3.1GHz Intel Smart Cache: 3MB 4 GB DDR3 SDRAM 500 GB SATA hard drive Slot-loading SuperDriveDVD?RW DL drive Intel HD Graphics 4000graphics Integrated audio with built-in stereo speakers Built-in omnidirectional microphone Built-in 10/100/1000 GigabitEthernet Built-in 450 Mbps AirPortExtreme wireless LAN w/MIMO (802.11n) Built-in Bluetooth4.0 Built-in 720p FaceTime HD camera Full-size, illuminated keyboard with the ambient light sensor; scrolling Trackpad 13.3-inch TFT widescreenLED-backlit LCD display (1280 x 800 resolution) SDXC card slot Kensington cable lock slot I/O Ports: One (1) Thunderbolt port Two (2) USB 3.0ports One (1) FireWire800 One (1) RJ-45 Ethernet port One (1) Combined optical digital audio input/audio line-in mini-jack One (1) Combined optical digital audio output/headphone out mini-jack One (1) SDXC card slot BatterySpecifications: Built-in lithium-polymer battery 63.5-watt 7 hours Power AdapterSpecifications: 60W MagSafe Power Adapter UnitDimensions: 0.95 x 12.78 x 8.94-inches (Hx W x D) Weight: 4.5 lbs.