An electric ball that moves violently. It can be charged with a USB cable and can be played over and over again. Recommended for when everyone is busy and bored, or when your dog wants someone to play with you! It moves around automatically, so your dog can play without getting bored! 【Durable and clean】 PC (Polycarbonate) Highly transparent and impact-resistant durable resin TPR (Thermoplastic Rubber) is a material intermediate between plastic and rubber, made of high abrasion resistance, and the monitor inside can be taken out to wash the outside and inside of the ball. [USB charging] USB charging cable included