??GORGEOUS COLOR RETRO ROUND KEYPAS ?The inspiration of these cute rounded keys come from vintage typewriters offering you visual enjoyment and retro feeling to type. Every keyboard is painted with more than 10 kinds of color to help you be outstanding in the office.The mini Optical mouse is with modern ergonomic design,DPI adjustable(800-1200-1600). ??PLUG and PLAY? 2.4GHz signal delivers up to a range of 28 feet connection that allows you to work with your PC from a distance. One small Nano receiver (USB 2.0) connects both the mouse and keyboard,high speed rate of return allows the combo to ensure their stable and smooth transmission without delay and frame skip,hence to enhance your typing experience. ??104 Key FULL-SIZE KEYBOARD?13 Easy-to-reach function keys provides a shortcut to your music,emails,multimedia control,web,etc.For instance,you can play the music you want by simply press the Fn+Esc. This Is a Full-Size Keyboard. All 104 Keys Non-Conflict. ??AUTO POWER-SAVING? both SADES keyboard and mouse turn into Power-save mode automatically,click any key or button to wake-up within seconds.Each of them runs on one AA battery (included).Low battery indication shows in the top right corner,when the battery is dying,the keyboard's low battery indication light will remind you to replace the battery. ??ANY REPLACEMENT&REFUND WILL BE RESPONDED IN 12Hrs ? SADES V2020 Colorful keyboard and mouse Suitable for Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 / 10 / Vista Mac OS. (After service: We aim to offer customer satisfaction for all of our customers,so if there is any questions or suggestions,pls feel free to contact with us,Our team will response and solve it for you ASAP).