Compared with the ordinary 104 key keyboard, six new multi-function buttons: copy, paste, calculator, one key lock, increase and reduce screen brightness. Can improve learning and office efficiency, so that your study and work become easier.2021 latest sweet cute mixed colors, bring you visual enjoyment, let you have a good mood all day. New chocolate keys are more suitable for wrist typing height, key mute, light and fast, bring you a unique feeling.