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 HP Compaq 6530b Notebook PC, Intel® Core™2 Duo, 2.4 GHz, 35.8 cm (14.1"), 1440 x 900 pixels, 2 GB, 250 GB HP Compaq 6530b Notebook PC. Product type: Laptop. Processor family: Intel® Core™2 Duo, Processor model: P8600, Processor frequency: 2.4 GHz. Display diagonal: 35.8 cm (14.1"), Display resolution: 1440 x 900 pixels. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 250 GB, Optical drive type: DVD Super Multi. Operating system installed: Windows Vista Business. Weight: 2.4 kg