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 6730s + 2y Return to Depot NB/TAB Only SVC, Intel Pentium Mobile, 2.16 GHz, 15.4", 1280 x 800 pixels, 2 GB, 250 GB HP 6730s + 2y Return to Depot NB/TAB Only SVC. Processor family: Intel Pentium Mobile, Processor model: T3400, Processor frequency: 2.16 GHz. Display diagonal: 15.4", Display resolution: 1280 x 800 pixels. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 250 GB. Discrete graphics card model: AMD Mobility Radeon HD 3430. Operating system installed: Windows Vista Home Premium. Weight: 5.51 lbs (2.5 kg)