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 ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR 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) Numeric keyboard Y Hard Drive HDD HDMI 1 DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III) y HP Pavilion dv7-2157ca, Intel® Core™2 Duo, 2 GHz, 43,9 cm (17.3"), 1600 x 900 pixels, 4 GB, 500 GB HP Pavilion dv7-2157ca. उत्पादनाचा प्रकार: नोटबुक, रुप घटक: क्लॅमशेल. प्रोसेसर फॅमिली: Intel® Core™2 Duo, प्रोसेसर मॉडेल: P7350, प्रोसेसरची वारंवारता: 2 GHz. डिस्प्ले डायगोनल: 43,9 cm (17.3"), HD प्रकार: HD+, डिस्प्ले रीझोल्युशन: 1600 x 900 pixels. इंटर्नल मेमरी: 4 GB, अंतर्गत मेमरीचा प्रकार: DDR2-SDRAM. स्टोअरेजची एकूण क्षमता: 500 GB, स्टोअरेज मीडिया: HDD, ऑप्टिकल ड्राइव्हचा प्रकार: DVD सुपर मल्टी DL. स्थापित केलेली ऑपरेटिंग प्रणाली: Windows Vista Home Premium. उत्पादनाचा रंग: काळा