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 Compaq Presario CQ71-330ED Notebook PC, Intel® Core™2 Duo, 2.2 GHz, 43.9 cm (17.3"), 1600 x 900 pixels, 4 GB, 500 GB HP Compaq Presario CQ71-330ED Notebook PC. Processor family: Intel® Core™2 Duo, Processor model: T6600, Processor frequency: 2.2 GHz. Display diagonal: 43.9 cm (17.3"), HD type: HD+, Display resolution: 1600 x 900 pixels. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 500 GB, Optical drive type: DVD Super Multi DL. Discrete graphics card model: NVIDIA® GeForce® G103M. Operating system installed: Windows 7 Home Premium. Product colour: Black, Silver. Weight: 3.05 kg https://www.expertreviews.co.uk/laptops/49583/hp-compaq-presario-cq71-403sa-review HP's Compaq Presario CQ71-403SA is a business-oriented 17.3in desktop replacement that gives you plenty of PC for your money. It's big even by desktop replacement standards, with a wide wrist rest and large keys on both the keyboard and numeric keypad.... This laptop's well suited to most home and office tasks, but it's relatively poor battery life lets it down slightly. ...