PROTECTION COVER:Can realize wireless connection, no password operation, easy to use, PU leather cover type protection keyboard, no injury to the machine COLORFUL BACKLIGHT EFFECT:Comes with cool colorful backlight effect, more fashionable, ultra thin and comfortable design, easy to carry ENERGY SAVING SLEEP FUNCTION:Energy saving sleep function, power saving, fast typing, good hand feeling , quiet keys ULTRA THIN PORTABLE:Portable, ultra thin, very easy to carry, travel or business trip, full of fashion , and comfortable for writing MULTI FUNCTION:Multi function full key keyboard responds quickly without delay, and there is no need to worry about time issues 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. Sold by-YJL official store