Interactive Pet Toy: This automatic rolling ball is designed to entertain your pet cat, attracting cats to play and exercise.?Intelligent Design: After working for 5 minutes in each mode, the cat toy enters standby mode. If not awakened after 30 minutes in standby mode, it will automatically shut down.Features: By default, the speaker is turned on when the toy is activated. Press twice to turn off the speaker (the red light flashes twice), and press twice again to turn it on (the green light flashes).? Different modes, fast (blue light), slow ( violet ), and interaction (yellow light) that can be easily switched with click.Material: Made of PC silicone electronic components and silicone,electric cat toy is sturdy for long term use.?Gift : Automatic rolling ball is ideal gift for your cats, pet, dogs.??charging for convenient to use.? Size Chart: Ball Diameter:4.8cm/1.89inchBall Shell Diameter:5.6cm/2.20inch, Height:6.5cm/2.56inchRope?Length: 29cm/11.42inchBall with Rope Length:35cm/13.78inch? Package Includes: 1 Cat Toy1 USB Cable Note: Please allow slightly errors due to manual measurement and different monitors.