【3 Interactive Play Modes】Crazy mode suitable for active dogs who love to exercise; Gentle mode offers a smooth, steady rolling experience for curious, timid, or older dogs; Normal mode suitable most dogs. Choose dog's favorite mode according to its size and interest. 【Durable E-TPU Material – Built for Aggressive Chewers】 Unlike traditional plastic dog balls that can splinter, our toy is made of 2025 E-TPU foam – dense yet flexible, offering the perfect balance between durability and bite appeal. Safe and long-lasting, it's ideal for dogs who love to chew aggressively. 【2-in-1 Multi-Functional Design – More Than Just a Ball】It's both an interactive moving toy and a classic fetch ball! Use as-is: The ball bounces and rolls erratically, a superb boredom-buster that intrigues curious dogs. Convert to fetch toy: Simply remove the inner core and tighten the shell for a traditional game of fetch. This versatility makes it a long-lasting enrichment toy that adapts to your dog's mood and your play style. 【3 Interactive Play Modes – Keeps Them Busy & Engaged】Crazy Mode: Perfect for high-energy dogs who need intense exercise.Gentle Mode: Smooth, steady rolling for curious, timid, or older dogs.Normal Mode: The go-to mode for most playful pups.hoose the right mode to match your dog’s energy level and keep them entertained for hours! 【Smart Auto-Play & Fast Charging – Fun That Never Stops】Equipped with a motion sensor, the ball activates on touch – ready for interactive play anytime. With a 500mAh battery and USB-C charging, just 1 hour of charging delivers 2–3 hours of nonstop play, perfect for burning off energy. 【IP54 Waterproof – Play Indoors or Outdoors, Rain or Shine】Take the fun anywhere – from your living room to grassy backyards. This water-resistant ball keeps your pup entertained for hours, rain or shine, making it a great enrichment toy for active dogs. 【What's in the Box & Safety Tips】Includes: Interactive Dog Ball ×1, Type-C Charging Cable ×1, Multi-language Instruction Manual. We recommend supervising your dog during play and encouraging interactive engagement rather than just chewing – this helps extend the toy's life and maximizes mental stimulation.