Upgrade Button: No need push and hold during playing with the cat or dog. This is a good interactive toy can make your cats feel happy,easy to use 【Durable Metal Housing】 High quality aluminum alloy shell which equipped with metal clip design and three adjustment modes, only need to slide adjustment, no need to long press,in addition,Interactive cat toys mini size and easy to carry, easily put this cat toys in your pocket or bag, use it anytime and anywhere for added. 【Make your Cat Healthier】 Can provide exercise and endless fun,This exercise chaser toy can satisfy the curiosity and playfulness of your cat, relieve your cats' anxiety. 【PORTABLE DESIGN】: Exquisite design makes cat toy small in size and Cat toys pen with metal clip and anti-loss rope design easily put this in your pocket, use it anytime and anywhere for added convenience.