product description 1.Safe and Durable:The movement is upgraded and safe to use. Using new POM safety materials,take care of your pet’s health, and at the same time bring unlimited fun to your pet. 2.Vibration sensing:After the shrimp bounces for a period of time, it enters the standby power-saving state. Flap and touch to activate the tail swing again. 3.Soft Cloth Cover:This cat toy is made of durable cotton plush. It has a super soft feel and a cute appearance that can attract pets’ attention and stimulate their curiosity. 4.USB Rechargeable Design:Large-capacity battery, long use time, it is expected to be up to 200 beats per charge. 5.Easy to Clean:The cloth cover of the lobster toy can be washed and replaced,which is more hygienic and healthier. (The movement is Christmas waterproof, you need to take it out before cleaning the cloth cover)