The irregular movement trajectory of the Speedy Tail 2.0 cat toy arouses the cat's interest and stimulates the cat's hunting nature, allowing them to participate in the game for a long time and be happy all day long! This speedy tail cat toy will keep your feline friend happy, healthy, and entertained Dual-Speed Adjustment - Easily switch from low to high speed with a quick press of the automatic moving cat toy ball's power button, satisfying the needs of curious kittens and active adult cats. High speed for active adult cats or puppies. The low speed is suitable for kittens, older cats, and timid cats Two Modes Available - Normal mode, runs for five minutes and then turns off automatically. Smart mode, the cat toys for bored indoor adult cats automatically enters sleep mode after running for five minutes, and when your cat touches it again, the cat toy will interact with your cat again Replacement Tail - This interactive cat toys for indoor cats has a replaceable tail at any time. If your cat isn't interested in one of them, you can swap out another replacement head to keep your cat fresh and not bored. Charge the cat toys interactive with a Type-C USB cable to continue providing your pet with long-lasting entertainment Premium Quality - The surface of the cat toys for indoor cats is made of high-quality silicone, and the soft touch makes cats willing to get close to it. Realistic bird calls stimulate your cat's hunting instinct and arouse their interest. The cat ball toy is able to move on smooth floors, hard floors and thin carpets, and the moving speed on carpets is slightly slower than on smooth floors