Description: 【Interactive Random Movement】: This pet toy ball features unpredictable running patterns and tugging actions, stimulating your dog or cat’s curiosity and keeping them entertained for hours 【Smart Obstacle Avoidance】: Equipped with intelligent sensors, the smart puppy ball automatically changes direction when it encounters obstacles, ensuring safe play various surfaces like grass, wood floors, marble, and carpets 【Three Play Modes & Simulated Sounds】: Easily switch between fast (blue light), slow (purple light), and interactive (yellow light) modes of the smart rolling pet toy ball with a single button press. Built in barking sounds further attract your pet’s attention for extra fun 【Sturdy Materials】: Made from ABS plastic and TPR, this smart rolling pet toy ball is tough enough to withstand biting and scratching while being safe for your furry friend to play with. With size 6.8 cmx6.8 cmx8.1 cm/2.68 inchx2.68 inchx3.19 inch 【Easy to Clean & Rechargeable Design】: The detachable shell of the smart puppy ball allows for quick cleaning without worry about water splashes. Recharge conveniently via Type C port; simply twist open the cover to access the charging interface Specification: Material: ABS Plastic TPR Size Chart: 6.8 cmx6.8 cmx8.1 cm/2.68 inchx2.68 inchx3.19 inch Package Includes: 1 Set Interactive Dog Toy Ball Note:  Please allow slight errors of 1-2cm differences due to manual measurement.