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) DisplayPort 1 Solid state drive SSD HP EliteBook 725 G2, AMD PRO A6, 2.2 GHz, 31.8 cm (12.5"), 1366 x 768 pixels, 4 GB, 128 GB HP EliteBook 725 G2. Product type: Laptop, Form factor: Clamshell. Processor family: AMD PRO A6, Processor model: PRO A6-7050B, Processor frequency: 2.2 GHz. Display diagonal: 31.8 cm (12.5"), Display resolution: 1366 x 768 pixels. Internal memory: 4 GB, Internal memory type: DDR3L-SDRAM. Total storage capacity: 128 GB, Storage media: SSD. On-board graphics card model: AMD Radeon R4. Operating system installed: Windows 7 Professional. Product colour: Silver. Weight: 1.36 kg https://www.notebookcheck.net/HP-EliteBook-725-G2-Notebook-J0H65AW-Review.127636.0.html Business users who travel a great deal need both a highly mobile as well as reliable workhorse computer - demands which compact business notebooks like the HP EliteBook 820 G1 are designed to fulfill. The 820 G1 starts at 1000 Euro (~$1265), which is cert... Excellent chassis, High-quality input devices, Ready for UMTS/HSPA+, Decent performance Comparatively short battery life, Dark WXGA display with low viewing angle stability, Turbo not utilized to full potential, Weak speakers, No M.2 or mSATA-Slot We wouldn't do the 725 G2 justice if we didn't also mention its positive aspects. First and foremost, we do need to emphasize that not all users need top performance or extra run time - and the notebook is certainly able to handle the typical office tasks...