Feature:1. BUILT IN LED LIGHT: Smart cat toys has built in LED lights that change randomly to red, blue and green. The flashing attracts your pet's attention, provides exercise and self entertainment, and eliminates pet depression.2. AUTOMATICALLY CHANGE DIRECTION: Interactive cat toy ball is suitable for indoor play and automatically changes direction on flat floors, such as tile floors, wood floors, glass, and thin carpets.3. USB TYPE C CHARGING: Automatic rolling cat ball can be charged by USB Type C, equipped with DC 5V, 500mAh lithium battery, easy to charge, save your battery time and money.4. COMES WITH A FEATHER TOY: Cat rolling ball toy comes with feather toys and small bells, a friend and companion for cats. Can play continuously for more than 5 hours after fully charged (according to actual use).5. PERFECT GIFT: Electric cat toys are great birthday and Christmas gifts for your beloved cat, chihuahua, yorkshire, poodle, puppy, etc. Help train AND exercise your cats and let them chase.Specification:Item Type: Automatic Rolling BallMaterial: ABS, Silicone, TPUBattery Type: Lithium BatteryBattery Capacity: 500mAh (Shipped With Built In Battery)Features:1. Five Modes, Two Speed, Timid Cats Are Also Available2. Anti Collision Silicone Wheels, Effectively Reduce Noise3. Anti Biting Feather Rod, Can Replace The Feathers At Will4. Colorful Lights, Enhance The Cat's Interest In Playing5. Voice Control Function, Dormant State Can Be Awakened By Clapping6. Cartoon Appearance Modeling.Package List:1 xAutomatic Rolling Ball3 x Feather Accessories1 x Charging Cable1 x English ManualNote:Please allow some error due to manual measurement.