Unique Interactive Dog Toy with Ball-in-Ball Design, 4X Durable Rubber Outer Shell & Inner Smart Automatic Bouncing Ball to Keep Them Busy, Fetch&Puzzle&Chew Toys for Medium, Large High Energy Dogs

【Ball in Ball Design】:A smart bouncing ball is securely enclosed within a rubber shell, creating a unique "ball in ball" structure. This design keeps your dog mentally stimulated as they chase, paw, and try to retrieve the inner ball-without ever getting it out! 【Package Include】:1 x Ball-in-Ball Toy (Rubber Shell + Jumping Ball), 1 x USB Charging Cable, 1 x User Manual. 【Healthy & Safety】:The outer rubber ball is made from soft yet durable, non-toxic material. It effectively protects the inner ball from direct bites and extends product lifespan, offering safer play for your furry friend. 【2 Selectable Modes】:Switch between Normal Mode (Green Light) and Smart 24-Hour Mode (Blue Light) with a long press. In Normal Mode, the ball moves for 5 minutes and stops automatically. In Smart Mode, it sleeps after 5 minutes but reactivates when touched by your dog-perfect for interactive all-day play. 【Suitable for multiple sites】:Whether used indoors, during crate time, or as a distraction while you're away, this toy helps relieve boredom and reduce destructive behavior. Great for keeping dogs busy and mentally enriched throughout the day. 【Tips】:Recommended for medium/large dogs only. Not suitable for small breeds.