Our smart rolling ball is made of high-quality material that is durable, wear-resistant, and can be used for a long time. Our smart rolling ball uses Bionic Motion Intelligence mode. After rolling and encountering an obstacle, it intelligently chooses an evasive route. Our smart rolling ball has a built-in rechargeable battery that can be charged via USB. Simply open the silicone cover. The casing of this smart rolling ball is wrapped in soft, skin-friendly silicone, making it silent while rolling. This smart rolling ball is small and better suited for cats to control with their paws. At the same time, it is lightweight and therefore very portable. Package includes: 1 * Cat toy ball, 1 * Type-C USB cable. Indicator lights: Flashing red light: The battery is low and needs to be charged. Flashing blue light: Charging. Solid green light: Charging is complete; please fully charge before first use. On/Off: Briefly press the power button. Switch mode: Press and hold the power button while in power-on mode. Smart mode: the blue indicator light is always on for 35 seconds. Automatically switches to standby mode after 5 minutes of operation. Tap to activate normal mode: the green indicator light illuminates for 3 seconds. Automatic shut-off after 5 minutes of operation.