Target species : Dog Colour : Electronic Dog Bone Green Color Material : Rubber Its 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 electronic dog bone would keep your dog more healthier, providing companionship and satisfying their hunting instincts. It entertains your pets and helps fight separation anxiety when you are busy or the weather is too bad to go outside. This interactive dog fetch toy works in working voltage 3.7 V/ Wattage 1.5W with Battery Polymer Lithium-Ion inside. The capacity of the automated dog toys is 850mAh. It comes 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. Press on/off button of motorized dog toy and power indicator lights green; put it on the floor and pat to activate it (it will go into standby mode after 10 to 15 seconds), the automatic dog chase toy would move again after being patted; our smart dog bone toy consists of the inner core and rubber covers, all rubber shells are dishwasher safe and can be easily replaced.