Redragon K539 Anubis Full Review - A mobile low-profile gaming keyboard that's cheap?

Today we have prepared something different. Well, at first glance, this may be just another gaming keyboard, but the Redragon Anubis K539 RGB is hidden in cardboard packaging. Key features - wireless connection, low profile, 80% Tenkeyless layout and of course RGB. It just doesn&work without it. Realistically, quite a lot of "specialties", especially given the affordable price. Is everything really as great as it seems at first glance? Wait and you will find out. Let’s start with the connectivity options. We have the options of Bluetooth 5.0 wireless, 2.4 GHz connection via USB dongle and of course the classic wired connection for when the 1900 mAh battery is discharged. The wired connection is also ideal for all skeptics who do not trust wireless technologies to quickly or reliably convert clicks on mechanical keys into shifts in games. Well, here the question arose - we wanted to measure in an unscientific way how much delay there is in using each separate connection method, so we clicked in the notepad and measured hundreds of seconds with a speed camera. The USB connection is by far the fastest, followed by a well-responsive 2.4 GHz dongle, and the Bluetooth connection is the most energy efficient, but almost five times slower than Wi-Fi. So the games don’t really play via Bluetooth. It is good to know that only one method can be used at a time and it is necessary to physically switch the mode on the bottom of the keyboard. It would also be great to see what is the...