Compact USB-connected ultrasonic cleaner. - Convenient portability: Compared to conventional general products, our product comes with a rechargeable battery, making it easy to carry for business trips, travel, and outings. This allows you to avoid the constraints of wiring. - 45,000Hz ultrasonic vibration: The FYDaFu ultrasonic cleaner uses high-frequency ultrasonic vibrations to easily remove hard-to-clean dirt. This vibration generates microscopic bubbles in water, which effectively remove fine particles adhering to dirt. Cleans dirt with just water: The ultrasonic cleaner can effectively remove dirt with just water. It is an environmentally friendly cleaning method as it does not require the use of chemicals or detergents. - Multifunctional: The cleaner can wash various items such as glasses and accessories without delay. It has a large capacity of 450ml and can wash eyeglasses, earrings, rings, jewelry, etc. - Color: White - Size: Compact - Power: USB connection - Function: Ultrasonic cleaner - Accessories: Lid Thank you for looking.