Noise reducing construction for a calmer home: This cat toy ball is made of PC and silicone material, wearresistant and durable. The surface is wrapped with silicone, which essentially eliminates rolling noise on the floor and reduces noise when hitting obstacles, helping to avoid disturbing the owner's daily rest. Intelligent obstacle avoidance for worry play: The ball can simulate prey escaping and rolls to keep your cat engaged. It has a builtin intelligent motion sensor and automatic obstacle avoidance system. When it encounters an obstacle, it intelligently selects a path to avoid it and automatically reverses and moves away, so you don't have to worry about the ball getting stuck in an inner corner. Rechargeable power with convenient charging: The sporty dog ball toy has a builtin 150mAh rechargeable battery, rechargeable via the included Type C charging cable, taking only 1 hour for a full charge. With inductive activation (standby after 5 minutes of work each time), it helps maintain your cat's interest and dramatically extends standby time. Four modes for varied play and engagement: Blue light indicates fast mode, purple light indicates slow mode, yellow light indicates interactive mode, and red light flashes quickly as a low voltage indicator. After working in various modes for 5 minutes, the cat will run away as soon as it touches. After entering standby mode for 30 minutes, it will automatically shut down. Practical use scenarios: Indoor apartment play: Quiet operation and obstacle avoidance allow safe, engaging play for a single cat without disturbing neighbors or household routines. Multicat homes: The dynamic modes and interactive behavior keep multiple cats stimulated, reducing boredomrelated behavior. Evening winddown play: Lownoise design and automatic shutoff help provide a calm, enjoyable play session before rest.