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 Intel® Pentium® Intel Pentium HP 6720s, Intel® Pentium®, 1,86 GHz, 39,1 cm (15.4"), 1280 x 800 pixels, 2 GB, 250 GB HP 6720s. प्रोसेसर फॅमिली: Intel® Pentium®, प्रोसेसर मॉडेल: T2390, प्रोसेसरची वारंवारता: 1,86 GHz. डिस्प्ले डायगोनल: 39,1 cm (15.4"), डिस्प्ले रीझोल्युशन: 1280 x 800 pixels. इंटर्नल मेमरी: 2 GB, अंतर्गत मेमरीचा प्रकार: DDR2-SDRAM. स्टोअरेजची एकूण क्षमता: 250 GB. डिस्क्रीट ग्राफिक्स अडॅप्टर मॉडेल: Intel® GMA X3100. स्थापित केलेली ऑपरेटिंग प्रणाली: Windows Vista Home Basic. वजन: 2,6 kg http://asia.cnet.com/reviews/notebooks/0,39050489,42129273p,00.htm The good: Extremely affordable; good keyboard; reasonable performance. The bad: Short on connectors and expansion options; no clasp between lid and screen sections; oddly located touchpad. The bottom line: The HP Compaq 6720s is a budget business lapto... Extremely affordable; good keyboard; reasonable performance. Short on connectors and expansion options; no clasp between lid and screen sections; oddly located touchpad. The HP Compaq 6720s is a budget business laptop that could fit the bill if you dont need serious CPU or graphics power, and are likely to spend most of your time in the office rather than on the road.