Feature: 1. Safety Material: Automatic active rolling ball adopts safety ABS material, durable and scratch resistant, cats can play with confidence, not afraid to chew the safety of the toy ball. 2. With LED Light: Cat play health ball, the pet's fun companion, LED flash to attract attention and increase exercise. 3. Quiet Operation: Not to disturb the neighbors of the quiet toy ball, start the sound only 15 decibels, close to the ear to hear, quiet operation. 4. Turning function: the intelligent automatic rotating rolling ball, irregular movement, will automatically turn when encountering obstacles. 5. Long Battery Life: Automatic rotating rolling ball, using USB charging, lasting life 3‑5 hours, charging 1 hour, full charge can play 3‑5 hours. Specification: Item Type: Cat Toy Ball Material: ABS, Silicone Use: Cat Intelligent Rolling Flashing Toy Ball Battery Type, Quantity: Lithium Battery 18650 x 1 (300mAh) (Shipped with Built In Battery). Package List: 1 x Toy Ball1 x USB Data Line 1 x Instruction Manual