The unibody model debuted in October 2008 in 13- and 15-inch variants, with a 17-inch variant added in January 2009. Called the "unibody" model because its case was machined from a single piece of aluminum
Computer Peripherals
A peripheral device or peripheral is an auxiliary hardware device used to transfer information into and out of a computer. The term peripheral device refers to all hardware components that are attached to a computer and are controlled by the computer system, but they are not the core components of the computer.
Features like higher frame rates and ray tracing make the PS5 feel truly new-gen (to console gamers at least), while the DualSense is an amazing controller that really enhances games when used well.
Active Noise Cancelling (ANC) continuously blocks unwanted external noise. Switch to Transparency mode when you need to hear the world around you. External-facing microphones allow the sounds of your surroundings back in for a natural listening experience