Features: Rolling Ball: The interactive dog ball provides entertainment for your pet. Press the button to activate the ball, which will spin, move, and shake, encouraging your dog to chase and play. High-quality materials: The outer shell is made of environmentally friendly, impact-resistant silicone material that is soft and gentle. The design ensures strong rolling friction while operating quietly, and it is resistant to damage from walls or pets. Dog Activity Rolling Ball: This electric rolling ball features a built-in motion sensor and automatic obstacle avoidance system. When it encounters an obstacle or tight space, it will reverse and change direction automatically, reducing the risk of getting stuck. Rolls quietly: Designed for quiet operation, allowing pets to play without disturbing your rest. Suitable for play at any time of day or night. Three Modes Smart Cat Toy Ball: The interactive ball offers three modes: fast mode, slow mode, and interactive mode. Package Included: 1 x Interactive Rolling Dog Ball Note: 1. Due to differences in monitors and lighting, the actual color may vary slightly from the images. 2. Please allow 1-3 cm variation due to manual measurement. (1 inch = 2.54 cm)