1.LOW POWER TECHNOLOGY: intelligent power saving black technology, energy saving and low power technology, the use time is greatly improved, and the battery life is long lasting. 2.WIRELESS DESIGN: Wireless design, no keyboard and mouse cables, easy to organize and store, strong compatibility, suitable for desktops, laptops, all in one computers, conference tablets and other devices, compatible with for OS X, for Android system. 3.FILM TECHNOLOGY: The keys feel straight up and down, and the bottom layer is sealed film technology. The typing sound is similar to that of notebook keys, the pressing force is light, the typing field is good, millisecond response, and character input does not conflict. 4.ERGONOMIC DESIGN: The keyboard adopts ergonomic design, the palm fits better when using, and the input is more comfortable. The personalized keycap pattern is exquisite and flexible. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.