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 4th Generation Intel® Core™ processors are based on Intel® microarchitecture formerly known as Haswell, manufactured on 22 nm process technology with 3D tri-gate transistors. This platform provides excellent CPU, graphics, media performance, flexibility, and enhanced security over the 3rd generation Intel® Core™ processors, making it ideal for a broad range of intelligent systems. Intel Core i5-4xxx DisplayPort 1 HP ProBook 6550b Notebook PC, Intel® Core™ i5, 2.4 GHz, 39.6 cm (15.6"), 4 GB, Windows 7 Professional, Black HP ProBook 6550b Notebook PC. Processor family: Intel® Core™ i5, Processor model: i5-450M, Processor frequency: 2.4 GHz. Display diagonal: 39.6 cm (15.6"). Internal memory: 4 GB. Optical drive type: DVD Super Multi DL. On-board graphics card model: Intel® HD Graphics, Discrete graphics card model: AMD Mobility Radeon HD 540v. Operating system installed: Windows 7 Professional. Product colour: Black. Weight: 2.51 kg https://www.techadvisor.co.uk/review/budget-laptops/hp-probook-6550b-review-3241922/ Product Code: WD698EA The HP ProBook 6550b is a 2.6kg, 15.6in laptop designed for business users who want something solidly built and fully featured. The HP ProBook 6550b has everything from a built-in DVD burner to a FireWire port, and you even get ... The HP ProBook 6550b's 6-cell, 55 Watt-hour battery lasted 2hr 12min in our rundown test, in which we disable power management, enable Wi-Fi, maximise the screen's brightness and loop an Xvid-encoded video. This is only two minutes off what the ProBoo...