[Note: The USB receiver is on the bottom of the mouse, next to the battery slot.]Plug & Play, just plug the USB receiver into your PC. Battery Powered, just only need 1x AA battery(Not include) Cartoon Animal Shape Design: Creative hamster shape, add fun to the typing process, The lightweight and simple features make the mouse perfect for the journey, office, home 2.4GHz Wireless Mouse: Ensures reliable connection with an increased working distance of up to 33 Feet (15m) and eliminates delays, dropouts and interference. Slim & Portable Design: convenient, only 60g weight, about 10.5 x 7.30x 4.0 cm. Perfect for travelling carry and it can be easily put in to your laptop bag and ultra-space saving. Support most computer to control the system. System requirement: for Windows XP/Vista/7/8/10.
