The most suitable dog toy ballIt is made of silica gel and is suitable for wooden floors, tile floors, hard floors, thin carpets, etc. Even playing at night will not interfere with neighbors or interfere with sleep. The USB charging port is built into the case to prevent the dog from getting wet or bitten. The built-in LED light is very soft and does not hurt the dog's eyes. Smart interactive dog toy: This lovely interactive ball will appeal to your dog. Just press the button and the dog ball starts spinning, moving or shaking 360 to entice the dog to hunt. The dog toy ball constantly moves around the house and flashes at the same time. Simply plug in the USB charging cable for one hour and let your dog play for two hours. Use ModeLong press the on or off button to switch modes. There are two modes of operation: 1. Smart mode (blue light turns on for three seconds). The toy ball automatically enters standby after 5 minutes of operation. 2. In normal mode (green display is on for three seconds), it will automatically shut down after 5 minutes of operation. Intelligent Obstacle Avoidance FunctionBuilt-in intelligent motion sensor and automatic obstacle avoidance system. The dog toy ball can simulate the escape path of the prey. After encountering obstacles, it intelligently chooses a route to avoid them. You don't have to worry about getting stuck in the corner. Reduces dog's loneliness: when you work or go out, the dog will feel lonely, because there is no companion for the moment. The diameter of 43 mm corresponds to the size of a table tennis ball. Puppies and adult dogs are easy to control. This dog toy will become your dog's best playmate and help your dog reduce loneliness.