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 610 Notebook PC, Intel® Core™2 Duo, 2 GHz, 39.6 cm (15.6"), 1366 x 768 pixels, 2 GB, 320 GB HP Compaq 610 Notebook PC. Processor family: Intel® Core™2 Duo, Processor model: T5870, Processor frequency: 2 GHz. Display diagonal: 39.6 cm (15.6"), Display resolution: 1366 x 768 pixels. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 320 GB, Optical drive type: DVD Super Multi DL. Discrete graphics card model: Intel® GMA X3100. Operating system installed: Windows Vista Business. Weight: 2.49 kg