COOL RGB BACKLIGHT - The keyboard has a rainbow color backlight and 3 adjustable brightness. The mouse has 15 switchable lighting effects. Light-up keycaps and letters help you to use it easier in low light. LONG BATTERY LIFE - Rechargeable keyboard and mouse can be charged by supplied USB C charging cable. The smart auto-sleep function and on/off switches help you to save power. Leave for 30 mins, the keyboard goes to sleep, leave for 90s, the mouse will sleep. 2.4GHz WIRELESS CONNECTION - Plug and play, easy to use. Keyboard and mouse wireless use ONE USB receiver allows wireless connection up to 10 meters(33 ft) without any driver. ONE KEYBOARD, TWO-SYSTEM LAYOUT - Switching between Mac and Windows layouts of the dual-system light up keyboard is as easy as a single touch. USB A to Type C adapter is ready to adapt to your system. COMFORTABLE TYPING & SILENT CLICK - The foldable stands offer a tilt angle for a better typing position. The effortless crater mechanism under each key makes typing more comfortable. The mouse and keyboard are almost silent, don't worry about disturbing others. UNIVERSAL COMPATIBILITY - This backlit keyboard mouse combo works with your PC, Desktop, Laptop or Notebook. Compatible with Windows, Linux, Chrome and Mac. (Note: Multimedia keys may not be fully compatible with Mac OS systems).