1. Can roll, jump, and avoid obstacles. You can choose between two modes 2. Food-grade silicone jacket, non- and environmentally friendly, cats not disturb the people when they play Product Size:Diameter 48mm Rated input:DC 5V 1A Interface:Type-C Nominal Capacity:150mAh [Battery]: Built-in rechargeable lithium battery for power supply [Charging instructions]: The charging indicator light is red when the USB cable is plugged in for charging, and the green light is always on when the charging is completed. Instructions for use: 1. Charge until the green light is always on 2. Long the power button of the product to turn it on, and short to switch between crazy mode and normal mode. After running for a period of time, it automatically stand by and breathe with a yellow light. 3. Crazy mode: the ball rolls frequently, jumps occasionally, and the light breathes; After running for a period of time, the yellow light automatically stand by and breathe. 4. Normal mode: The ball rolls frequently, occasionally jumps, and the orange light breathes; After running for a period of time, the yellow light automatically stand by and breathe. 5. In any mode, long the button to shut down. 6. If the automatic standby is not triggered within 5 seconds, it run again when touched or tapped. Colour:As Shown Material:PC+Silicone Package Contents: 1 * Toy Ball Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.