Userfriendly design: automatic rolling function and a smart sensing system let this dog ball navigate without human intervention. It detects obstacles and keeps moving to entertain your dog. Robust and dependable: made from ABS plastic and silicone with an antibite design. Built for longevity and safe, sturdy performance during extended play. Oral health enhancer: textured surface massages gums and helps remove dirt as your dog gnaws, satisfying natural chewing instincts while supporting oral hygiene. 3 modes at the touch of a button: fast mode for energetic rolling, interactive mode for responsive direction changes, and relax mode for gentle teasing. The textured rope adds a richer rolling sensation. Use scenarios: Solo indoor play: place the ball on the floor and let the smart sensor navigate around furniture while your dog chases, promoting activity and reducing boredom. Interactive training with owner: use interactive mode to encourage commands and engagement, helping to reinforce training during play. Dental/chewing routine: supervise chewing sessions to let the textured surface massage gums and assist in keeping teeth cleaner.