RAVIRANDAL Intelligent Interactive Cat Toys Ball with LED Lights, Cat Toys USB Charging: Get rid of annoying batteries and enjoy the fun of toy balls with a simple charge. Material Safety: High-quality ABS material, it will not break even if it hits the wall hundreds of times. Small size: 43mm diameter is suitable for most cat paw control. Smart Obstacle Avoidance: Due to the sphere shape and self-balancing system, the ball will automatically change direction when colliding with walls, chairs, doors, etc. Power saving mode: The toy ball will enter the shutdown or standby state after running for 5 minutes.  Effectively prevent cats from indulging in play. Bionic movement Bionic movement, simulating the escape trajectory of prey, rolling, intelligent staying, and stimulating cat interest in toys Intelligent Interactive Cat Toys Ball Two intelligent modes save power and labor. Press and hold the switch to adapt to different cat games,And the product rolls quietly, giving the cat a night of curiosity and the owner a quiet sleep. Package includes 1 x Micro USB Cable, 1 x Auto Bounce Ball