Features: HUNTINGs PLAY: Constantly captures your pet's attention with repeated side jumps and rolling that mimic the escape trajectory of your prey, with movement routes that are often random and irregular. Intelligent stay design piques your dog's interest in the toy in ways never seen before! INTELLIGENT MODE-INNOVATION: The Self-Rolling Ball Dog Toy offers two different modes, with a normal mode and a smart mode. You can switch between modes for different pet activities. HANDS-FREE TOY: The toy moves, spins and stops on its own based on motion sensors. Your pet will enjoy chasing and playing with it. This toy will keep your pet busy and happy while you do other things. QUALITY MATERIALS: Made of quality material, this dog toy is sturdy enough to withstand pet bites and scratches. Maintains durability in both smart and normal mode and can be used for a long time PERFECT FOR SMALL TO MEDIUM DOGS: Specially designed and sized for small to medium sized dogs to accommodate a variety of breeds, providing an interactive experience to suit your dog's needs and style of play. Notice: 1.Actu color may be slightly different from the image due to different light effect 2.Please low 1-3cm deviation due to manu measurement Material: TPU Size: 6.7*6.7*9.3cm Package List: 1 x Gravitys Ball Dog