Upgraded USB Rechargeable Cat Toy: No need to replace batteries, just simply plug in the cable for 1.5 hours. It will provide your kitty with up to 4 hours of fun time. USB connector makes charging easier and faster. With a single press of the ON/OFF button, the toy ball will start to do a 360 degree self-rotation and attract your pet's attention to chase and run. The ball will continuously move around your house while producing a red light simultaneously. Will change its direction automatically when colliding with a wall, chair, door, etc. Get more exercise for indoor cats!