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 <b>Higher Performance When You Need It Most</b> Intel® Turbo Boost Technology 2.01 accelerates processor and graphics performance by increasing the operating frequency when operating below specification limits. The maximum frequency varies depending on workload, hardware, software, and overall system configuration. 2.0 Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. 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 i5-3xxx 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 4740s, Intel® Core™ i5, 2,6 GHz, 43,9 cm (17.3"), 1600 x 900 Pixel, 4 GB, 750 GB HP ProBook 4740s. Produkttyp: Laptop, Formfaktor: Klappgehäuse. Prozessorfamilie: Intel® Core™ i5, Prozessor: i5-3230M, Prozessor-Taktfrequenz: 2,6 GHz. Bildschirmdiagonale: 43,9 cm (17.3"), HD-Typ: HD+, Bildschirmauflösung: 1600 x 900 Pixel. RAM-Speicher: 4 GB, Interner Speichertyp: DDR3-SDRAM. Gesamtspeicherkapazität: 750 GB, Speichermedien: HDD, Optisches Laufwerk - Typ: DVD Super Multi DL. On-board Grafik Modell: Intel® HD Graphics 4000. Vorinstalliertes Betriebssystem: Windows 8