Features: Introducing the Speed Tail ball, innovative Interaction Cats toy that automatically move and simulating real movements to stimulating your cats natural hunting. Use selected soft plastic, this safe toy features a Fun Sensors for automatic rolling and offers speed adjustments for varied play experiences. Great for various Cats lover, especially busy cats owner who may not have time to engaging with their furry friend regularly. Perfect for use in any environment, whether its the living room or bedroom, providing your Cats with endlessly entertainment throughout day. With its USB rechargeable designs and longlasting battery use, the Speed Tail Cats Toy ensures your pet stays active without disturbing daily routine, thanks to its quiet operations. Specifications: Component: soft plastic Product Dimension: Approx. Diameter 5.50cm/2.16inch Color Option: 01/02 Power Supply: Rechargeable Battery, 150mAh/5V Package Includes: 1PC Electric Ball Pet Toy note: Please allow 1-2cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item.