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 HDMI 1 HP 2x 625, AMD Athlon II, 2,3 GHz, 39,6 cm (15.6"), 1366 x 768 pixels, 2 GB, 320 GB HP 2x 625. Processor type: AMD Athlon II, Processor: P360, Processor frequency: 2,3 GHz. Display diagonal: 39,6 cm (15.6"), Display resolution: 1366 x 768 pixels. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 320 GB, Optical drives: DVD Super Multi DL. Discrete graphics card model: AMD Mobility Radeon HD 4200. Operating system software: Windows 7 Professional. Weight: 2,49 kg https://www.techradar.com/reviews/pc-mac/laptops-portable-pcs/laptops-and-netbooks/hp-625-926059/review HP is one of the world's best-selling laptop manufacturers and the 625 belongs to its business range. Boasting a wealth of features, if slightly underwhelming performance, this is a great machine for the corporate or home user after sheer functionality... Good business features, Usability Average performance, No numeric keypad, No Gigabit Ethernet A natural choice for the business user, thanks to a wealth of safety features...