INTERACTIVE FUN: It's an interactive dog toy aims to help people and dogs spend hours of fun together. Please guide your dog to chase and follow it. The pet toys for dogs would keep your dog more healthier, providing companionship and satisfying their hunting instincts. Not for heavy chewers, please supervise the dog while he is playing. UNIQUE DESIGN, NOT FOR AGGRESSIVE CHEWER: The truly electronic toys for dogs win the Prize of Fear Free Awards at the Global Pet Expo 2019. The pet toy is designed to look like a bone, and made from updated advanced safe material TPU & PC, making it aesthetically appealing for both your pets and you. (Relatively durable, but not for high-energy dogs with a tendency for chewing) LONG BATTERY LIFE: This interactive dog fetch toy works in voltage 3.7 V/ Wattage 1.6W with Battery Polymer Lithium-Ion inside (capacity, 850 mAh). The large dog toys come with a USB cable for charging and could last at least 2 hours in interactive mode after 1.5-2 hours charging. Please turn the device off before recharge.