Dealing with summer heat is extra awful when trying to get a good night's sleep. Rather than suffering through the warmer months, use a few appliances to keep your bedroom at a cool, comfortable temperature. This includes utilizing a dehumidifier, which will not alternate room temperature but will remove humidity.
A dongle is a small piece of hardware that connects to another device to provide it with additional functionality.
A wireless network adapter looks similar to a memory stick or thumb drive: a small USB dongle with an LED light that indicates power and operability. Upon plugging it in, it will scan the airwaves for local broadcasts, working with system software to display the names of local networks for the user.