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 ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR When performance is your priority, rely on proven, trusted technology. With the cylindrical lithium-ion battery cell your laptop gets stable power that’s great for high-performance devices. Lithium-Ion (Li-Ion) DisplayPort 1 Hard Drive HDD HP ProBook 6475b, AMD A6, 2.7 GHz, 35.6 cm (14"), 1366 x 768 pixels, 4 GB, 320 GB HP ProBook 6475b. Product type: Laptop, Form factor: Clamshell. Processor family: AMD A6, Processor model: A6-4400M, Processor frequency: 2.7 GHz. Display diagonal: 35.6 cm (14"), Display resolution: 1366 x 768 pixels. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 320 GB, Storage media: HDD, Optical drive type: DVD Super Multi DL. On-board graphics card model: AMD Radeon HD 7520G. Operating system installed: Windows 7 Professional. Product colour: Black https://www.notebookcheck.net/Review-HP-ProBook-6475b-Notebook.90818.0.html The Dell Vostro, Fujitsu's S/E series, Lenovo's ThinkPad L series (L530), Asus' Pro B series and Acer's TravelMate P models as well as HP's ProBook have something in common: All of them are aimed at business customers or private users who look for a workh... Great build quality, stable, Excellent connectivity, many ports, Heat management, Very good input devices, Good battery life, Matte display with good color rendition, Above-average viewing angles for a TN panel, Many security features, Windows 7 Pro + Win... Low contrast, low brightness, High weight, HDD noise always present, Low application performance, No SSD variant sold by HP, Windows 7 Pro is 32-bit only HP (mostly) made the right choices with the ProBook 6475b, delivering a more or less balanced package of time-proven office features . We appreciate the excellent feedback its input devices (keys, touchpad) provide. Its conically curved keys come particu...