HP Pavilion x360 11-k051na 11.6 Comes with Intel Pentium, N3700 Chipset, Quad-core - 1.6 GHz - 2 MB cache processor, Windows 8.1 (64-bit) - Free Windows 10 download Operating System, 4GB RAM Memory and 1 TB HDD, 5400 rpm intrnal storage. HP Pavilion x360 11-k051na 11.6 also has Sound B&O Play,Integrated stereo speakers,Integrated TrueVision webcam,Microphone, Full-size backlit keyboard, and Kensington MicroSaver lock slot. The Laptop has 11.6 inch screen size, 22.5 x 306 x 208 mm (H x W x D) Physical Dimension and 1.46 kg weight, Multi-point touchscreen, Pavilion x360 11-k051na 2-cell Lithium-ion, Up to 8.15 hours and AC power adapter by HP.