?After-Sales Service?We offer a 90-day unconditional return and refund policy. If you have any questions about the product, please feel free to contact us. We are dedicated to addressing your concerns and providing you with a satisfactory solution. ?Plug and Play Compatibility?Say goodbye to the hassle of charging; simply connect it to your computer or laptop using a USB-A cable and start using it immediately. The keyboard is widely compatible with PCs and laptops, supporting Windows, Vista, Mac OS, and Chrome (please note: multimedia keys may not be fully compatible with Mac OS). ?Suitable for Various Users?SABLUTE keyboard and mouse combo is suitable for a variety of users, including software developers, data analysts, designers, professionals, and visually impaired individuals. It can also serve as a special gift for your elders, parents, children, and friends on birthdays, holidays, and Christmas. ?7 Color Backlight?Choose from 7 bright colors and 4 backlight modes, allowing you to select your favorite color and adjust the brightness. This helps alleviate visual fatigue when typing in dim environments. ?Multi-Function Mouse?The mouse features a comfortable grip angle, illuminated mode, and premium matte finish. With 6 DPI settings (800/1200/1600/2400/3200/3600) and forward/back function buttons, it facilitates faster and easier web browsing. ?Reduce Typing Fatigue?The keyboard is designed with a palm rest to reduce wrist strain and discomfort during prolonged use. It also includes a U-shaped mobile phone holder, allowing you to watch videos, participate in video conferences, read materials, and charge your phone while using computers and mobile devices. Please note that this stand does not support charging. ?Large Print Design?SABLUTE large print backlit keyboard features a super-sized font design, effectively relieving eye fatigue, reducing typing errors, and enhancing typing speed and work efficiency.