Wireless Mouse: Advanced 2.4GHz wireless transmission provides a stable and reliable connection. Working distance up to 10 meters. Quiet & Durable Click: Special quiet design for right and left buttons, keep you focused and never disturb others. 5 million times keystroke test, durable to use. Plug and Play: No need to install any additional software, just plug and play. The colorful design is suitable for young people and modern children. (Note: The USB receiver is hidden in the battery compartment, you need to remove it and plug it into your PC's USB port). Low Power Consumption: To save power, it will automatically go to sleep mode after 10 minutes of inactivity, you can click any button to wake it up. Only one AA battery is needed for power supply (not included in the package). Precise Tracking: High-performance optical sensor ensures excellent accuracy and control.