Auto Rolling & LED Chaser - Just press the button. Our cat play ball automatically moves randomly and lights up red to attract your cat’s attention. It can also automatically change direction when encountering obstacles such as wall, chair, door, etc. 2020 upgrade; USB level rechargeable - Built-in 250mAh Li-ion battery - Can last for 4 hours after 1.5 hours charging. It can automatically shut off after 30 minutes to prevent your kitten from losing interest in the toy ball and is perfect for those who don’t have time with their cats and dogs. Durable and safe: made made of impact-resistant ABS plastic, tear-resistant wear and non-toxic. Don’t break against the wall. Durable and safe for your pets. Certified CE, RoHS and FCC More movement for health - The hunt around the cat àgrave; LED Chaser helps domestic cats and dogs to have more exercise, improve their immunity, reduce obesity and at killing boredom when the owner is away Attention and contact - Please use this cat toy ball on