?Warranty?Have a free one-year replacement warranty. If you have any issues, please contact the seller first. Professional customer service is on call 24 hours daily to solve your problems. ?99% Compatibility? In addition to the USB receiver, add a type c adapter. Compatible with Windows, Mac, Linux, Chrome OS, Android. Works well with laptops, Macbooks, desktops, Chromebooks, pc, computers, tablets, and tv. ?Lag-Free, Plug & Play?Cut the cord and enjoy the freedom. 2.4GHz wireless technology provides automatic frequency recognition and stable signal, plug and play, connection range up to 33ft without any delays. ?Note?keyboard and mouse share a receiver. ?Less Noise, More Quiet?The mouse is 100% quiet without any clicking sound. The keyboard features low-profile keys that offer smooth, responsive laptop-style typing with 95% less noise. You don't worry about disturbing others. ?Quick Charge, Longer Lasting?The rechargeable keyboard mouse combo is equipped with a type-c charging cable, standby for 12 months on one charge. Has a friendly power-saving feature that automatically turns off the backlight after 90 seconds of non-use, with a separate power switch and backlit switch to save power. ?Multi-Functional Jiggler Mouse?No need to buy other accessories, this mouse comes with a jiggler mode, in "jiggler mode" the mouse pointer will automatically move to prevent the computer screen from going black (Press the jiggler button for 5 sec to exit/enter). In addition, added forward and backward buttons provide more convenience when browsing a webpage. With 3 levels of DPI adjustable (800/1200/1600), matches your needs. ?Ergonomics For Exceptional Comfort?Workplace health issues cannot be ignored. The keyboard is designed with a palm rest and folding legs to add 54% more support for your wrists lower wrist strain and pain, the keyboard allows tilted to the most comfortable angle for you. The wireless mouse adds a finger rest that perfectly matches the position of the finger, which can reduce fatigue by 30%. ?9 Gorgeous Backlights To Choose ?Different from other backlit keyboards, based on monochrome backlight mode ( with 7 colors), flow mode, and ripple mode have been added. Richer backlight options give you unique visual enjoyment.