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 6710b, Intel® Core™2 Duo, 2.1 GHz, 15.4", 1680 x 1050 pixels, 2 GB, 160 GB HP 6710b. Processor family: Intel® Core™2 Duo, Processor model: T8100, Processor frequency: 2.1 GHz. Display diagonal: 15.4", Display resolution: 1680 x 1050 pixels. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 160 GB, Optical drive type: DVD-ROM. Discrete graphics card model: Intel® GMA X3100. Operating system installed: Windows Vista Business. Weight: 5.73 lbs (2.6 kg)