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Bluetooth is a short-range wireless technology that exchanges data between devices over short distances and builds personal area networks. Learn about its origin, development, features, applications, and challenges from this comprehensive article.
Learn about the different Bluetooth profiles and their functions, such as A2DP for audio streaming, AVRCP for remote control, and BIP for image transfer. A2DP is a profile that defines how multimedia audio can be streamed from one device to another over a Bluetooth connection.
Learn about the origin and evolution of headphones, from the first telephone receivers to the modern wireless earbuds. Discover the different types of headphones, such as circumaural, supra-aural, earbuds, and bone conduction, and how they connect to various audio sources.
Learn how noise-cancelling headphones use active noise control (ANC) to suppress unwanted ambient sounds and improve audio quality. Find out the theory, applications, benefits, drawbacks and history of ANC technology.
Learn how to turn on or off an automatic response for your email when you're away. You can also create different messages for different domains, such as AOL or Yahoo.
The iPhone Stereo Headset was introduced in 2007 and was bundled with the original iPhone and iPhone 3G, and featured a control capsule in-line with the left earbud's wire with a microphone and a single button, actuated by squeezing the unit, which can be programmed to control calls, presentations, music and video playback, launch Siri, or take pictures with the Camera application.
Learn about the core and adopted protocols used by Bluetooth, a wireless data exchange standard. The article covers the controller stack, the host stack, and the protocols for different applications and profiles.
AOL Mail offers features like news, weather, security and spam-blocking for free. You can sign up for an AOL account and access your email on the go with an app or on the web.