Features: 1. Made of high quality ABS material, firm and non-toxic, durable and long service life. 2. Intelligent obstacle avoidance, built-in centrifugal rolling device, automatic turning of obstacles in centrifugal rolling. 3. With built-in LED shining light, the ball rotates to attract the attention of your pet, stimulating the playfulness of the cat and preventing the pet from depression. 4. Intelligent teasing cats saves time and effort, the sphere can rotate irregularly and change its direction arbitrarily. 5. USB charging, charging 2 hours, can work 3-4 hours, 15 minutes power off protection function, playing longer and safer. 6. Can also grind your pet's paws and vent the restless emotions to avoid harming your furniture. Specifications: Condition: 100% Brand New Item Type: Cat Rolling Ball Toy Shell Material: ABS Battery: Built-in 250mA Lithium Battery Full Charging Time: 2 Hours Working Hours: 3-4 Hours Ball Diameter: 6.2cm/2.44inch(Approx.) Package List: 1 * Cat Rolling Ball 1 * USB Cable 1 * Instruction Book Notes: 1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List 1Made of high quality ABS material, firm and non-toxic, durable and long service life. 2Intelligent obstacle avoidance, built-in centrifugal rolling device, automatic turning of obstacles in centrifugal rolling. 3With built-in LED shining light, the ball rotates to attract the attention of your pet, stimulating the playfulness of the cat and preventing the pet from depression. 4Intelligent teasing cats saves time and effort, the sphere can rotate irregularly and change its direction arbitrarily. 5USB charging, charging 2 hours, can work 3-4 hours, 15 minutes power off protection function, playing longer and safer.