2 Selectable Modes Irregular Rolling Mode: Press the button for the first time (blue light), and it will automatically roll and rotate for 25 seconds, then stop for 5 seconds, repeating this cycle for a total of 2 minutes before entering standby mode. Crazy Bouncing Mode: Press the button for the second time (red light), and it will bounce for 10 seconds, stop for 5 seconds, repeating this cycle for a total of 1 minute before entering standby mode Touch Activation: Built-in motion sensor, when your dog touches or bites it, it will automatically roll and rotate for 2 minutes or bounce wildly for 1 minute, then go into standby mode. The ball has built-in multi-color flashing lights to attract your dog's attention and bring more joy to your furry friend Suitable for Various Locations: Irregular Rolling Mode is only suitable for hard floors such as marble, wood, and tile floors, and it does not require a tennis ball cover. It is not suitable for dogs that chew excessively. The tennis ball cover only works in Crazy Bouncing Mode and is ideal for mild chewers. It performs better on thin carpets or outdoor lawns to reduce noise, and your dog will love the moving, plush ball toy USB Rechargeable: Powered by a 600mAh battery, it can be fully charged in 1.5 hours and can be continuously played for 4 hoursDurable & Safe Materials: Interactive Dog Ball Toy is made of durable, non-toxic nylon and is free of BPA. However.