Cute Design: Cute hamster shape, super cute and fashionable. Made of high-quality materials, durable and soft. Designed for children with small hands. It is very cool and easy to carry, it is the perfect gift for children or friends. Easy to Use: Powered by 1 * AA battery (not included). The wireless mouse connects to your computer via a USB receiver (stored in the bottom of the mouse) 2.4GHz Wireless Technology: It can provide a powerful and reliable connection with an operating distance of up to 10 meters. To save power, if you do not use it frequently, please turn off the mouse switch How to Use: Insert the receiver into the computer's USB port, pay attention to whether the receiver is in good contact with the USB interface, and wait about 5 seconds for it to work normally Good Performance: Suitable for Windows 98 / ME / NT / 2000 / XP / Vista / Win 7 / Linux or Mac OS