Color: Blue Pet-Safe E-TPU Material Crafted from heavy-duty, chew-proof E-TPU, this interactive dog ball is lightweight, elastic, and rigorously tested to withstand intense play. The BPA- and phthalate-free material is eco-friendly and non-toxic, keeping your dog safe even during aggressive chewing. Designed for durability without compromising dental safety. 3 Interactive Modes The dog ball features three interactive modes: Crazy Mode, Normal Mode and Gentle Mode. Each mode is designed to match different energy levels and personalities. From constant bouncing in Crazy Mode to calm rolling in Gentle Mode, these modes provide mental stimulation and physical activity to keep your dog happy and engaged. Smart Response & USB-C Charging When resting in sleep mode, a gentle tap wakes the ball up ready for independent play anytime. In Gentle Mode, if it bumps into walls or furniture and gets stuck, it playfully hops to change direction and keep the fun going. Powered by a 500mAh battery and USB-C charging, just 1 hour of charge delivers 2 3 hours of nonstop play. Designed for Medium and Large Dogs With its 3.2 inch diameter, this dog toys is perfectly sized for medium and large dogs. It offers stimulating movement that helps your dog burn off excess energy, relieve stress and anxiety, and stay calmer and more focused throughout the day. Water-Resistant & Easy to Clean Whether it s zoomies in the living room or splashy fun on wet grass, this water-resistant dog ball is ready to roll wherever your pup plays.After the fun, just rinse it under water and wipe it clean. No fuss, no hassle, just more playtime. Usage Note: Do not heavily impact the toy, as it may damage the motor.