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 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) Legacy Intel® Core™ Processor Intel Core i7-xxx DisplayPort 1 Hard Drive HDD HP EliteBook 8540w, Intel® Core™ i7, 2.66 GHz, 39.6 cm (15.6"), 1600 x 900 pixels, 4 GB, 250 GB HP EliteBook 8540w. Processor family: Intel® Core™ i7, Processor model: i7-620M, Processor frequency: 2.66 GHz. Display diagonal: 39.6 cm (15.6"), HD type: HD+, Display resolution: 1600 x 900 pixels. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 250 GB, Storage media: HDD, Optical drive type: DVD Super Multi DL. On-board graphics card model: Intel® HD Graphics, Discrete graphics card model: NVIDIA® Quadro® FX 880M. Operating system installed: Windows 7 Professional. Weight: 2.95 kg https://www.techradar.com/reviews/pc-mac/laptops-portable-pcs/laptops-and-netbooks/hp-elitebook-8540w-931233/review HP's EliteBook range targets those in need of power and corporate features and the EliteBook 8540w packs both in equal measures. With its semi-rugged design, it is a highly resilient machine and ideal for demanding use. It has been tested to the MIL-ST... Great performance, Good build quality, Graphics performance, Full HD screen, Good usability Battery life Product Code: WD930EA#ABD The HP EliteBook 8540w is the flying fortress of professional notebooks, a 15in-screen design bristling with ports and performance power, and built to last As we saw with the HP EliteBook 8440p recently, HP still knows how t... More than just an inch bigger in the screen department, the HP EliteBook 8540w adds plenty of extra high-speed connectivity and a professionally qualified graphics processor. For powerful processing and rendering on a portable workstation, the HP Elit...