Two modes are available: Irregular working mode: press and hold the button for 3 seconds, it will automatically move and rotate; Crazy bouncing mode: press and hold the button for 3 seconds, then press the button quickly again, it will automatically bounce. Make your dog happy: The remote control dog/cat ball will automatically roll and the LED light will flash. Avoid obstacles wisely. This is a great pet birthday toy for your small to medium sized dog or cat to encourage them to run and stay healthy. Auto-Scroll: Built-in motion sensor, when your dog touches or bites it, it will automatically move, rotate or bounce up for 10 seconds, then the colorful LED will continue to flash for 4 seconds and enter sleep mode. It's a great way to deal with obesity, depression, or excess energy in pets. USB charging: The interactive dog ball has a large 500mAh battery, which takes 2 hours to fully charge and provides 4 hours of working time in crazy mode. Normal mode is suitable for dogs, crazy mode will scare your dog. DURABLE WATERPROOF MATERIAL: The interactive dog toy is made of durable natural rubber and TPU. It's super durable, washable, odorless, and non-toxic. The material performs well and resists dog saliva.