Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
I installed a heatsink, but one of the larger 20x20x20mm ones. No problems since then, I don't think a fan is required.
@imnotacucumber you can't have it paired to more than one device at the same time.