Product descriptions Features: 1. 360 degree random self rotating ball toy, automatically change direction when you encounter obstacles, have fun and exercise. 2. Attracts the attention of pets and stimulates the hunting instinct through unpredictable movements, which fully mobilizes their enthusiasm and excites them. 3. Updated version with USB charging, 1.5 hours of charging, up to 4 hours of fun. 4. Timer function that automatically turns off every 30 minutes to prevent your cat from becoming overly dependent on the toy ball. 5. Brighter LED light, the ball shot red light while moving, quickly draw your kitten's attention and enjoy the fun. 6. Made of tough, non-toxic ABS plastic, won't even break against the wall, it's durable and safe for your pets. 7. Small, good for kittens and puppies, smart hands-free interactive game. 8. Passed CE, RoHS, FCC certification. Specification: Color: Rose Red / Green / White Diameter: 2.5 inches Weight: 110g Charging time: 1.5-2 hours Duration: 3.5-4 hours Material: Environmentally friendly, impact-resistant ABS Delivery content: Cat ball toy x 1 ;USB cable x 1