Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security. Y Legacy Intel® Core™ Processor Intel Core i3-xxx Hard Drive HDD HDMI 1 HP 630, Intel® Core™ i3, 2,4 GHz, 39,6 cm (15.6"), 1366 x 768 pixels, 4 GB, 320 GB HP 630. Processor type: Intel® Core™ i3, Processor: i3-370M, Processor frequency: 2,4 GHz. Display diagonal: 39,6 cm (15.6"), Display resolution: 1366 x 768 pixels. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 320 GB, Storage media: HDD, Optical drives: DVD Super Multi DL. On-board graphics card model: Intel® HD Graphics, Discrete graphics card model: AMD Radeon HD 6370M. Operating system software: Windows 7 Home Premium. Weight: 2,5 kg