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 When performance is your priority, rely on proven, trusted technology. With the cylindrical lithium-ion battery cell your laptop gets stable power that’s great for high-performance devices. Lithium-Ion (Li-Ion) Legacy Intel® Core™ Processor Intel Core i5-xxx Fingerprint Y Touch screen Y HP 2740p, Intel® Core™ i5, 2,66 GHz, 30,7 cm (12.1"), 1280 x 800 पिक्सल, Windows 7 Professional HP 2740p. प्रोसेसर फैमिली: Intel® Core™ i5, प्रोसेसर मॉडल: i5-560M, प्रोसेसर की फ्रीक्वेंसी: 2,66 GHz. डिस्प्ले विकर्ण: 30,7 cm (12.1"), डिस्प्ले रिज़ॉल्यूशन: 1280 x 800 पिक्सल, टच स्क्रीन. ऑन-बोर्ड ग्राफिक्स एडैप्टर मॉडल: Intel® HD Graphics. ऑपरेटिंग प्रणाली स्थापित: Windows 7 Professional. वजन: 1,72 kg