Automatic & Intelligent: Choose between interactive auto-play modes or control the puppy toy by using joystick in drive mode via the app. It can automatically adjust how it reacts based on different actions of your dog! | Auto Play Mode: Programmed to attract your dog’s attention and does not require manual operation! By built-in 12 types of emotional driven systems, Wicked bone acts responsively to different types of touch, such as chasing, teasing, avoiding, etc. | Drive Mode: Control the dog toy through the Wicked bone available for iOS and Android), and move it with its virtual joystick, choosing between the puppy toy's 9 Available motions, and you’ll soon create and discover new action combos as it runs! | Safe & durable: FDA food-grade polycarbonate of the body, cover, and the tires, strong and soft, protects your puppy's claws and teeth. | Easy to clean: Its detachable tires and protecting cover are very easy to take off, thus could be quickly and conveniently cleaned! Good puppy chew toy! | Long battery life: built-in 470 mAh lithium polymer battery, charging for 1 hour, lasting more than 30 minutes in App mode, more than 2 hours in interactive mode, 1 month in sleep mode! | Worry-free Service: We offer 24-hour customer support and are happy to respond to all types of questions at help@meiou. Tech