USB interface
The USB interface is the USB port for the male CONNECTor of the USB cable. This USB interface exists on all digital devices such as the spy camera pen or the spy camera watch. With this device, you can plug in the male USB connector and perform two separate operations: charging the battery and transferring data to your computer. The USB protocol, the English term for Universal Serial Bus, is a standard used to connect computer devices to a computer or other devices. USB benefits from the Plug and Play which means that the computer immediately recognizes the connected device once it is plugged in. For energy-efficient devices such as spy cameras, the connection via a USB cable to the computer allows the device to be charged.
There are several generations of USB interfaces. The first is version 1.1, which allows data transfer at 1.5 Mbps. However, it only applies to devices that transmit little data. Version 2.0 offers greater speed with its 400Mbps. Finally, version 3.0 that comes with a transfer speed of 4Gbps. Not to mention that it can also deliver 5V of electrical power.