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 skin-friendly. It offers strong rolling friction while remaining quiet, and is durable against impacts from walls or pets. Dog Activity Rolling Ball: This electric rolling ball features a built-in intelligent 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 to operate quietly, allowing for play at any time of day or night without disruption. 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 item color may vary slightly from the images shown. 2. Please allow 1-3 cm measurement deviation due to manual measurement. (1 inch = 2.54 cm)