Model Number: 3QT50EA Performance: Operating System: Free DOS 2.0 Processor: Intel Celeron N3060 (1.6 GHz base frequency, up to 2.48 GHz burst frequency, 2 MB cache, 2 cores) Processor family: Intel Celeron processor Memory: 4 GB DDR3L-1600 SDRAM (1 x 4 GB) Transfer rates up to 1600 MT/s. Storage: 500 GB 5400 rpm SATA DVD-Writer Graphics: Integrated Intel HD Graphics 400 Audio: Dual speakers Display: 39.6 cm (15.6 Inch ) diagonal HD SVA anti-glare WLED-backlit (1366 x 768) Power: 45 W AC power adapter Battery Type: 3-cell, 31 Wh Li-ion User-replaceable battery Supports battery fast charge: approximately 90 Percent in 90 minutes Target battery life: Up to 11 hours and 45 minutes estimated battery time Maximum battery life video playback: Up to 9 hours and 30 minutes Connectivity: Network interface: Integrated 10/100/1000 GbE LAN Wireless connectivity: 802.11b/g/n (1x1) Wi-Fi and Bluetooth 4.0 combo (Miracast compatible) Ports: 2 USB 3.1 Gen 1 (Data transfer only); 1 USB 2.0; 1 HDMI; 1 RJ-45; 1 headphone/microphone combo 1 multi-format SD media card reader Webcam: HP Webcam with integrated digital microphone Design: Color: Jet black; Woven texture pattern Weight: 2.1 kg Dimensions: 38 x 25.38 x 2.38 cm Keyboard: Full-size keyboard with numeric keypad Touchpad with multi-touch gesture support