DinoFire is the most popular brand selling presentation clickers, which focus on making and providing the best wireless presenters with top-class after-sale service.
We have been selling on Am*zon for years, we have our own factory, mighty supply chain. We hope every deals with our customers are happy ones, so any problems, feel free to let us know, we will solve it to your satisfaction.
Ps. We provide a free usb dongle if you lost the original one in three years.