Product Color: Tyrant Gold, silver, black 1. WHISPERING MUTE: : Lowest volume keyboard and whisper mute mouse bring quiet surroundings.Suitable for home, library, conference room, cafe and other occasions. 2. FASHION AND COMFORTABLE: : This wireless keyboard design for a comfortable visual experience.nbsp; Ergonomic design, let it use for a long time in a good mood. 3.BIG COMPATIBILITY: : This keyboard is suitable for Windows, XP, Mac OS, Vista, Linux and other systems, but not suitable for IOS system.nbsp; 4.MORE STABLE CONNECTION WITH 2.4G TECHNOLOGY: :With 2.4G wireless technology, everything is more stable and easier. No installation necessary, you have a larger range up to 10m. 5.WIRELESS KEYBOARD AND MOUSE 2 IN 1: : Keyboard and mouse must be connected to the device using a USB receiver. A good choice for long work with computers. Wireless design gives you a cleaner desktop, and get rid of the problems caused by the cable.nbsp;