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Such devices can use an external power supply, which is allowed by the standard, or use a dual-input USB cable, one input of which is for power and data transfer, the other solely for power, which makes the device a non-standard USB device. Some USB ports and external hubs can, in practice, supply more power to USB devices than required by the ...
Micro-USB Cables and Connectors Specification 1.01; InterChip USB Supplement; On-The-Go Supplement 1.3 USB On-The-Go makes it possible for two USB devices to communicate with each other without requiring a separate USB host; Battery Charging Specification 1.1 Added support for dedicated chargers, host chargers behavior for devices with dead ...
The first-generation iPad Pro (12.9-inch models only), and the second-generation iPad Pro, are the only devices in which the Lightning connector supports USB 3.0 host. [9] The only accessory released with USB 3.0 support is the Lightning to USB 3 Camera Adapter. [10] Since iPhone 8 and iPhone X, the Lightning connector is somewhat USB-PD ...
However, unlike more modern iOS devices, this update again does not provide iPhone 3G owners with access to important features, in this case, the Game Center application. [19] On November 22, 2010, the iPhone 3G received the iOS 4.2 software update (as iOS 4.2.1), which introduced features such as YouTube voting, and security fixes.
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, mice or keyboards, to be attached to them. Use of USB OTG allows devices to switch back and forth between the roles ...
Quick Charge is a proprietary technology that can charge battery-powered devices, primarily mobile phones, at power levels exceeding the 7.5 watts (5 volts at 1.5 amps) supported by the USB BC 1.2 standard, using existing USB cables. The higher voltage available allows more power (watts) to be supplied through wires without excessive heating.
Dock connector on a 2011's HP EliteBook laptop. A dock connector is an electrical connector used to attach a mobile device simultaneously to multiple external resources. Dock connectors typically carry a variety of signals and power, through a single connector, to simplify the process of docking the device.
MagSafe is a proprietary, magnetically attached wireless power transfer and accessory-attachment standard developed by Apple Inc. for its iPhone and AirPods product lines. It was announced on October 13, 2020, in conjunction with the iPhone 12 and 12 Pro series.