Is an interface used for connecting devices in order to allow communication between the devices and a host controller. USB was created to ensure connection and transfer of data between the devices connected to a computer externally.
They are able to transmit data from one device to another at a high speed hence do not keep one waiting for a long time incase they are transferring large volumes of data. They give one to charge other devices using them since they are designed to support power carrying capacity and the power has a high current enough to charge devices faster at a higher rate. They are of a relatively small size and thus they do not occupy a large space on the devices on which they are installed. USB ports are present everywhere and therefore are not accompanied with the problem of incompatibility. Those with the habit of carrying out many tasks at the same time have an advantage when using them since they allow multiple devices to be connected to one port on the personal computer.
The following are the various categories of universal serial bus gadgets available today. USB fans with light emitting diode clock gadget is used for keeping one cool and also telling one what the time is and its most suitable for those individuals who are forced to work in hot and humid labor conditions. This gadget is of great important to individuals during dry seasons since their skins are always dry and they need to get some moisture and this moisture can be provided by these USB mini humidifiers. A minifridge is also a USB gadget and this helps as one plugs the stuff that they need for that time to the USB port and keep it around them thus it saves the time that one could have used going back to the fridge again.
The USB typewriter is used as a restoration of the previous typewriters since it is modified and, in this case, can be used as a keying device in place of the original computer keyboards since it has the same functionality as they do and on top of that it is unique and beautiful. A hot cookie USB cup and mug warmer are gadgets that keep mugs and cups warm so that one can keep a hot drink longer. USB toast hand warmers are used in place of thermostats to keep hands warm during winter seasons as long as they are plugged in a computer and they are of great importance in offices. USB Mist spray gadget is one gadget that helps in saving time and it is used in spraying a fine mist when brushing your hair and they enhance faster brushing of hair after one wake up.