Intelligently switch among multiple devices The keyboard and mouse intelligently connect to the working device. They can separately connect to up to 4 devices, and switch among them with ease. They simplify complicated cross-platform use and meet multi-tasking requirements. Switch between Bluetooth 3.0, 4.0 and 2.4G The smart switch between Bluetooth 3.0, 4.0 and 2.4 GHz ensures stable wireless transmission. You can still use the combo regardless of USB port shortage or the loss of receiver. Ultra-slim floating chiclet keys 4.0mm at thinnest, stainless steel base and aluminum alloy panel, bring you comfortable tactile; The accurate scissor key structure allows you to press the buttons with ease. Precision on multiple surfaces The high-performance laser engine enables you to use the mouse on multiple surfaces. Enjoy a high-speed response and unrivaled accuracy. Fully adjustable DPI sensor Precise down to the last pixel: with the adjustable DPI sensor, accuracy is no longer left to chance. Adjustable from 600 DPI to 3200 DPI, you can adapt it to match your preference. Eco-friendly rechargeable battery Thanks to the built-in eco-friendly lithium battery of the mouse, you can enjoy long battery life with a full charge. It eliminates the need for often replacing batteries.