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) Legacy Intel® Core™ Processor Intel Core i3-2xxx 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 ProBook 4730s, Intel® Core™ i3, 2,2 GHz, 43,9 cm (17.3"), 1600 x 900 Pixeles, 4 GB, 320 GB HP ProBook 4730s. Factor de forma: Petxina de cloïssa. Família de processador: Intel® Core™ i3, Processador: i3-2330M, Freqüència de processador: 2,2 GHz. Pantalla diagonal: 43,9 cm (17.3"), Tipus HD: HD+, Resolució de pantalla: 1600 x 900 Pixeles. Memòria interna: 4 GB, Tipus de memòria interna: DDR3-SDRAM. Capacitat d'emmagatzematge total: 320 GB, Suport d'emmagatzematge: HDD, Tipus d'unitat òptica: DVD Super Multi DL. Model d'adaptador de gràfics en funcionament: Intel® HD Graphics 3000. Sistema operatiu subministrat: Windows 7 Professional. Color de producte: Negre