2021 Newest Rechargeable Version No Need to Replace Batteries Over and Over Again, Just Simply Plug In The Cable For 1.5 Hours, Provides Your Kitty Up to 4 Hours of Fun Time. 360 Degree Self Rotationthe Primary Purpose of The Self Rotating Ball Is to Have Your Pet Chase The Ball Around and Have Fun. with Just A Single Press of A Button, The Ball Will Start to Do A 360 Degrees Self Rotation and Attract Your PetS Attention. The Ball Will Continuously Move Around Your House While Producing A Red Light Simultaneously. Automatic Direction Change Due to The Sphere Shape and Self Balancing System, The Ball Will Automatically Change Its Direction When Colliding with A Wall, Chair, Door, Etc. No Extra Help Required, All You Need to Do Is Turn The Ball On to Play and Turn off When Your Pet Is Out of Energy and Done Playing. Cautionthe Ball Rolls Best On Hard Floor,Might Not Roll Well On Thick Carpet, Please Purchase with Attention. Automatic Shut offthe Ball Will Automatically Turns off After 40 Minutes of Rolling,Perfect For Those Who Dont Have Time to Watch Your Kitty While They Are Playing.