4. Multiple application scenarios: suitable for people and pets, as well as for use in homes, kitchens, bedrooms, bathrooms, and other places. 1. Dual mode: Quick bubble formation in 0.25 seconds, with bubble formation modes divided into soft and strong modes 2. Large capacity: More than 350ML of capacity, with a large capacity. 3. Strong battery life: With a single charge, it can stand by for over 90 days without the need for frequent charging. 5. Good waterproof effect: IPX5 grade waterproof, can be used even when wet, and the body not be damaged.