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 durable. The design allows for strong rolling friction while operating quietly, reducing the risk of damage to walls or from pets. Dog Activity Rolling Ball: This electric rolling ball toy includes a built-in motion sensor and automatic obstacle avoidance system. When the ball encounters an obstacle or tight space, it will reverse and change direction automatically, helping prevent it from getting stuck. Rolling Quietly: Operates quietly, allowing for daytime or nighttime play without disruption. Three Modes Smart 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 1-3cm measurement variation due to manual measurement. (1 inch = 2.54 cm)