Professional Keyboard and Mouse Seller, High-Quality Brand After-Sales Service Equipped with an 8.78-inch large wrist rest, which can hold tablet under 11.9 inches large and effectively provide support for your wrist and reduce muscle strain by 30%. The 7° angle design helps you reduce typing fatigue and makes you feel comfortable even if you use it for a long time. Gaming keyboards and mouse set are suitable for 99% of computer systems such as Windows, Mac, and Chrome.Plug and play, no additional drivers required Professional gaming mouse adopts optical sensor, with 7200DPI, scanning rate of 12000 FPS, 40G acceleration, tracking speed up to 400 IPS This can not only maintain the perfect arc of the fuselage, but also increase the air circulation of the palm, anti-slip experience is very strong You will get a gaming keyboard, gaming mouse, gaming mouse pad, and user manual. There's a problem with my keyboard and mouse that I can't solve, what should I do? Find the CHONCHOW support team immediately, we will be 100% responsible for each of our products and customers. Does the gaming keyboard and mouse backlighting can be turn off? You can turn off the keyboard lighting by pressing the Sun key and turm off the mouse backit by pressing DPI- button at the bottom for 5S. How do I adjust the RGB lighting on my keyboard and mouse? KEYBOARD: ON/OFF: Sun key, Brightness +: FN + PgUp, Brightnesst-: FN + PgDN, Brightness Constant/Flashing mode: FN + Sun key MOUSE: RGB Button of the rnouse (only can turn on and off) What are the functions of the 4 independent shortcut keys on the keyboard? The functions of keyboard shortcuts are as follows: one click to open the following functions: computer folders; Email; Browser homepage; Calculator. You can quickly use the corresponding functions in your work with higher efficiency. What devices can the keyboard phone holder support？ Phone & Tablet Stand size：6.5inx0.51in, most phones can be put down, but the tablet needs to see if the specific size is compatible.