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The 12-inch Retina MacBook (early 2015) has only one expansion port, a USB-C port that supports charging, external displays, and Target Disk Mode. Using Target Disk Mode on this MacBook requires a cable that supports USB 3.0 or USB 3.1, with either a USB-A or USB-C connector on one end and a USB-C connector on the other end for the MacBook. [5]
Sleep-and-charge USB ports can be used to charge electronic devices even when the computer that hosts the ports is switched off. Normally, when a computer is powered off the USB ports are powered down. This feature has also been implemented on some laptop docking stations allowing device charging even when no laptop is present. [81]
The USB mass storage device class (also known as USB MSC or UMS) is a set of computing communications protocols, specifically a USB Device Class, defined by the USB Implementers Forum that makes a USB device accessible to a host computing device and enables file transfers between the host and the USB device. To a host, the USB device acts as an ...
The USB-IF used WiGig Serial Extension v1.2 specification as its initial foundation for the MA-USB specification and is compliant with SuperSpeed USB (3.0 and 3.1) and Hi-Speed USB (USB 2.0). Devices that use MA-USB will be branded as "Powered by MA-USB", provided the product qualifies its certification program.
USB On-The-Go (USB OTG or just OTG) is a specification first used in late 2001 that allows USB devices, such as tablets or smartphones, to also act as a host, allowing other USB devices, such as USB flash drives, digital cameras, mouse or keyboards, to be attached to them. Use of USB OTG allows devices to switch back and forth between the roles ...
The 2nd generation AirPods Pro was updated to a USB-C charging case and the MagSafe Duo Charger and MagSafe Battery Pack, which used the Lightning connector, were discontinued. [ 19 ] The Lightning connector (used on iPhone 5 until iPhone 14 ) has a technical constraint that limits video output using the Lightning Digital AV HDMI Adapter to a ...
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A single Thunderbolt 3 or later port provides data transfer, support for two 4K 60 Hz displays, and quick notebook charging up to 100W with a single cable. Any Thunderbolt or USB dock can connect to a Thunderbolt 3 computer. USB devices can be connected to a Thunderbolt 3 or later port. DisplayPort and Mini DisplayPort devices are supported.