Description: Ultrasonic cavitation effect nano-level washing and protecting. Dirt in crevices such as jewelry, glasses, maternal and child products, makeup brushes, etc., uses ultrasonic "cavitation effect", and high-frequency vibrations deeply clean the blind areas All-round purification and deep cleaning, layer penetration through the gaps in the corners of the chair. Easily shake out stains such as grease, dust, etc. that are difficult to clean in the gaps and grooves of the objects, and the objects are reborn The high-frequency vibration separates the air and water in the liquid to form 50-500um bubbles, which expand and burst under sound pressure to achieve instantaneous impact, constantly washing the surface of the object, dust, bacteria, and oil, to achieve emulsification and peeling Removable battery slot is safe and convenient,the whole machine has only one button, which is simple and quick without complicated operation,without battery (need to match 2 AAA batteries) The bottom of the washing machine is equipped with 4 shock-absorbing rubber feet, which can steadily absorb the tabletop, reduce the displacement caused by ultrasonic vibration, and clean it really quietly Specification: Power supply mode: dry battery Temperature adjustment gear: switch single gear Rated voltage: 3.7v Rated power: 5W Capacity: 300mL and below Color: White Material: ABS plastic Size Chart: 19x7x7cm/7.48x2.76x2.76inch Package Includes: 1 Piece Contact Lens Clean Machines 1 Piece Manual(4 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!