dual-mode connection: this product can be compatible with windows 2000/xp/7/8/10/xp/vista/mac/android and ios systems in wired and bluetooth modes, and can connect up to three bluetooth devices for switching at the same time in bluetooth mode. gorgeous rgb backlight: 16.8 million color rgb mechanical keyboard, 18 kinds of lighting mode switching cycle, light brightness and speed are adjusted by 5 blocks respectively. having these modes at night, whether in games or in office, can add some fun to you. simple and portable: 61 key compact layout, miniature keyboard. lightweight, comfortable, light weight, small size, simple shape and portable, suitable for office and family use, in order to save more space.