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Learn about the different types of battery chargers, how they store energy in batteries, and how they adjust the charging current and voltage depending on the battery type and condition. Find out the advantages and disadvantages of simple, fast, and intelligent chargers, and the factors that affect the charging rate and temperature.
USB-C is a 24-pin reversible connector that can carry audio, video, data, and power. It supports various protocols, such as USB, Thunderbolt, PCIe, HDMI, and DisplayPort, and has different speed grades and features.
AirPods are wireless earbuds designed by Apple that can play audio, filter out background noise, and detect taps and pinches. They have different models, features, and charging options, and are compatible with various devices and systems.
Learn about the history and types of phone connectors, cylindrical-shaped electrical connectors for analog audio signals. TRRS is a 4-contact plug with tip, ring, ring, and sleeve, used for headset with microphone or video with stereo audio.
AOL Mail offers secure and personalized email with features like AOL Mail, news, and weather for free. You can also access your email on the go with an iOS & Android app and get help from experts.
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 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.
Trickle charging is charging a fully charged battery at a low rate to keep it fully charged. It works for lead–acid batteries but not for lithium-ion batteries, which require supervisory circuits to adjust charging conditions.