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.
This bluetooth dongle gives a computer bluetooth capabilities via a USB port. A WiFi dongle provides WiFi functionality to a computer that doesn't have ia built-in. Information on how to create a dongle emulator is typically passed from hacker to hacker.