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. Product type: Laptop, Form factor: Clamshell. Processor family: Intel® Core™2 Duo, Processor model: P7350, Processor frequency: 2 GHz. Display diagonal: 43.9 cm (17.3"), HD type: HD+, Display resolution: 1600 x 900 pixels. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 500 GB, Storage media: HDD, Optical drive type: DVD Super Multi DL. Operating system installed: Windows Vista Home Premium. Product colour: Black The HP Pavilion dv7 is a multimedia laptop that combines sophisticated design with digital entertainment. It’s built to be a multi-use machine, and as such needs to be able to handle the same tasks as a desktop PC.Handling and designThe HP Pavilion dv7... Multipurpose laptop, Good overall performance, Complete connectivity, Good battery life for its category, Comfortable keyboard with number pad Glossy, poorquality LCD panel, Only average audio, Noisy, No Bluray player