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) New AI experiences, performance, and battery that lasts.<br><br>Created for premium laptops, Intel® Core™ Ultra processors include built-in AI acceleration to boost productivity while maintaining privacy and flexibility.<br>Intel® Core™ Ultra processors may include Intel® Arc™ GPU for immersive, high-realism gaming and content creation.<br>An optimal balance of power and performance means you’ll be able to stay productive longer while unplugged. Intel Core Ultra 7 Intel Core Ultra (Series 1) Anti glare black Y No matter where you stand, this screen delivers clear, vivid images with 178º wide-viewing angles, so everyone can get a great view. ips Keyboard backlit Y Numeric keyboard Y Solid state drive SSD HDMI 1 HP EliteBook 660 G11, Intel Core Ultra 7, 40.6 cm (16"), 1920 x 1200 pixels, 16 GB, 512 GB, Windows 11 Home HP EliteBook 660 G11. Product type: Laptop, Form factor: Clamshell. Processor family: Intel Core Ultra 7, Processor model: 155U. Display diagonal: 40.6 cm (16"), HD type: WUXGA, Display resolution: 1920 x 1200 pixels. Internal memory: 16 GB, Internal memory type: DDR5-SDRAM. Total storage capacity: 512 GB, Storage media: SSD. On-board graphics card model: Intel® Graphics. Operating system installed: Windows 11 Home. Product colour: Silver. Weight: 1.74 kg