Stable Connection: 2.4 GHz wireless provides a powerful, reliable connecton up to 10m without any delays. 2 in 1 Nano receiver unifies the keyboard and mouse connections into one USB port, plug and play quickly. NOTE: The switch is on the top right corner of the keyboard. The usb receiver is stored in the battery compartment of the mouse. Ultra Slim Design: Ultra slim (5.5mm) keyboard looks more stylish and elegant. High-End Scissor Switch design provides a better tactile response and comfortable and whisper quiet typing experience Rechargeable and Auto Sleep Mode: This keyboard and mouse set comes with a charging cable. We recommend that you use the charging cable included in the product package for charging. The battery life may vary depending on individual usage habits and frequency of use. It can automatically enter into sleep mode in order to save energy and press any key to wake it up Hot Keys and Compatibility: The full size keyboard includes fast-access hot keys, versatile function keys and number pad which can improve you work efficiency. Compatible with Computer, Laptop, Desktop, PC, Notebook, Windows XP / Vista / 7 / 8 / 10 or later Adjustable DPI and Full Size Design: This keyboard is a full-size keyboard, more suitable for offices or working from home. A separate numeric keypad can improve your office efficiency. 3 DPI levels (1000/1600/2400 DPI) allows you to change the cursor sensitivity easily and track more smoothly over a variety of surfaces.