Mechanical Keyboards:F99 is a premium mechanical keyboard for both work and game.No matter the outlook,the construction or the function,f99 keyboard is definitely a professional gaming keyboard. This 99 keys full size keyboard layout compact can save more desktop space while retaining the necessary arrow keys and numpad for both gaming and work.With 16 RGB lighting effect to adds a great atmosphere to the game room,customize key function and 16.8 million light colors. Gaming Keyboard Multi-Device Connection: AULA F99 wireless mechanical keyboard work with bluetooth, 2.4GHz wireless and USB wired three connection methods,it can connect up to five devices at the same time and easily switch by shortcut keys FN or key combination keys. F99 computer keyboard wireless is suitable for PC, laptops, tablets, mobile phones,PS,XBOX etc,no limits about your keyboard connection to meet all the needs of users like work, gaming and study ect. In addition,this rechargeable wireless keyboard is equi