1. Dual ModesBoth 2.4G USB interface and bluetooth are supportive. For computer or any devices with USB interface, just insert the 2.4G receiver in the package and play. For Mac, iPad, iPhone, Tablet or any devices with bluetooth function, connect them with Bluetooth. Click FnF3 combo to enter bluetooth mode. This high compatibility also applies to multiple systems, such as windows, iOS, Mac OS and Android. 2. Touchpad MiceThis is not only a keyboard but also has mouse function. It combines keyboard and mouse in one device. The touchpad is large enough to provide both left and right buttons, and it also supports multifinger touch. Moreover, it has two speed modes for your choice. All these functions you more convenience. 3. 3 or 7 Kinds of Color for RGB BacklitThere are three kinds of color options for this keyboard. Click FnF2 combo to change the color. Or press Fn and slide your finger from L to R on the mouse pad to get 7 color choices. Imagine using this keyboard at night and it shining while in use, creating a cool and fancy atmosphere for your work or entertainment. 4. Mini Size for Mobile OfficeThis keyboard measures only 14.7cm X 9.75cm X 1.9cm. It's portable and you can carry it anywhere as it helps save space. Whether you want to do business or be entertained outside with your tablet or mobile, this is a good choice for you. The game direction controller is also for gaming. The upgraded latest design features an ergonomic design for comfortable use, good looks and high quality.