<p> Dear Customer, </p><p> </p><p> Pls don't worry about the after-sale service,you can contact us at any time for any issue. </p><p> </p><p> We are not the best, but we are trying our best to provide you the best service. </p><p> </p><p><br></p><p><b> This configuration of this Xbox One keyboard and mouse combo for gaming is based on the game e-sports standard. </b></p><p><b>An ergonomic keyboard for maximum comfort,  </b></p><p> </p><p><b> our RGB gaming keyboard is better suit for both pc and office computer. </b></p><p> </p><p><b> orange yellow keyboard and mouse combo is also good choice for daily use,in office,home,cyber bar,Internet bar,studio,workroom. </b></p><p> </p><p><b> Thank you for your interest in this game keyboard and mouse combo,  </b></p><p> </p><p><b> all you have to do is left-click on the desktop and add to cart. </b></p><p> </p><p><b><br></b></p><p><b> Specification: </b></p><p> </p><p> USB keyboard cable length:1.60 m  (63 inches) </p><p> </p><p> Raised keyboard keys: 104 keys </p><p> </p><p> Computer Keyboard backlit: Glow Orange </p><p> </p><p> PC mouse backlit: Multi change colors breathing </p><p> </p><p> 4 adjustable led mouse DPI: 800-1600-2400-3200 </p><p> </p><p> Waterproof keyboard size: 18.4*6.7*1.5 inches </p><p> </p><p> Led mouse size: 5.2*2.8*1.6 inches </p><p> </p><p></p><p> </p><p><b><br></b></p><p><b> Special Function: </b></p><p> </p><p> ☀=  Switch or Turn ON/OFF LED keyboard backlit, Press continuouslyto turn off the backlight keyboard </p><p> </p><p> FN+ ☀ = Open keyboard LED breathing mode </p><p> </p><p> FN+"-"  /  FN+" ="  = Control the LED breathing speed </p><p> </p><p> FN + PGUP/PGDN= Adjust brightness,  </p><p> </p><p> Press "FN+pgup" to increaselight brightness;  </p><p> </p><p> Press "FN+pgdn" to reduce light brightness.</p><p> </p>