Versatile Play Modes: Easily switch between gentle scroll and bounce modes to cater to your dog's energy level and temperament, ensuring customized playtime experiences. Smart Touch Activation: Activate movement, bounce, or vibration through a built-in motion sensor, promoting natural play behaviors and fostering interactive engagement for endless entertainment. Tailored for Small & Medium Dogs: Specifically crafted for small and medium-sized dogs, this 3.15-inch (8 cm) ball offers dynamic movement, bouncing action, and glowing effects to keep your furry friend mentally and physically stimulated. Premium Safety Materials: Crafted from waterproof materials with a textured, bite-proof surface, ensuring durability and pet safety during daily indoor or outdoor play sessions; easy to clean for hassle-free maintenance. Convenient USB Charging: Effortlessly recharge within 1.5 hours by USB for up to 4 hours of continuous playtime, eliminating the need for battery replacements and offering an eco-friendly solution for busy pet owners. Item Name: Rolling Ball Toy Material: TPE, PC, ABS Battery: 500mAh Charging Voltage: 5V Working Mode: Crazy Mode/Normal Mode Waterproof Level: IP54 Standby: 7 Days Work: 4 Hours Features: Touch Activation, Interactive, Automatic Size Details: Diameter: 8cm/3.15" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Ordinary: 1 x Rolling Ball Toy 1 x Charging Cable 1 x Instruction or Remote Control: 1 x Rolling Ball Toy 1 x Charging Cable 1 x Instruction 1 x Remote Control (Built-in Button Battery)