The High Quality 2.4G RF Wireless Keyboard 3 In 1 is a versatile and portable keyboard with a built-in touchpad mouse. It is designed for use with PCs, notebooks, smart TVs, and other devices with a USB interface. This keyboard is not compatible with mobile phones. With its compact size, this keyboard can easily fit in your pocket, making it convenient to carry around. The 2.4G wireless version allows for easy plug and play functionality, without the need for any driver installation. Say goodbye to being tied to your desktop and enjoy the freedom of floating operation. This keyboard allows for easy movement and control, thanks to its new hand-held air operation mode. It provides a comfortable and unrestricted typing experience, similar to using a mobile phone. This keyboard is powered by a high-quality lithium battery, ensuring long-lasting power. The soft silicone buttons provide a comfortable typing experience. To connect the keyboard wirelessly, simply open the back cover to access the wireless receiver. Insert the receiver into the USB interface of your device and turn on the keyboard. It's that easy! The keyboard features a built-in lithium battery with intelligent power saving function. When not in use, it automatically enters sleep mode and can be woken up with any button press. The mini-USB charging model supports multiple charging methods and provides over 20 days of usage on a single charge. This keyboard is smart compatible with multiple mainstream operating systems, making it suitable for various scenarios such as mobile travel, daily learning, and office work. It is also great for entertainment purposes, allowing for easy web browsing and control of audio and video content. The keyboard features several indicators for easy monitoring. The connection indicator turns off when connected normally, flashes when buttons or touchpad are pressed, and flashes slowly when the connection is poor or not connected. The power indicator lights off when the power is normal, flashes when the battery is low, and lights up when charging. The working indicator is always on during normal operation, and the upper case indicator is always on when typing in upper case. Package includes: 1 Keyboard set, 1 Wireless receiver, 1 Charging cable, 1 English manual. Key Features: 2.4G RF wireless technology Compact and portable design Built-in touchpad mouse Long-lasting lithium battery Smart compatible with multiple operating systems Easy to use and navigate Intelligent power saving function Multiple indicators for easy monitoring