Analog ultrasonic cleaner

 Dimensions: 17x6x8 (cm) Manual measurement may have errors Working method: Ultrasonic Input voltage: 1.5V Material: plastic Product does not contain batteries The four suction cups at the bottom of the cleaning agent are immersed in water and adsorbed on the table to pre- ntroduce clean water, add a little neutral detergent effect is better Ultrasound design, efficient cleaning of oil stains, sweat on glasses The solution is introduced into a dedicated box and placed in a contact lens Ultrasound design can better remove the secretions attached to the spectacle lens Cleaning time for frames and contact lenses is recommended 2-3 times per week for 1-2 minutes each time. When cleaning the eyes, inject 70% of care solution into the box. Contact lenses are placed in the middle of the box. Do not place on the edge of the box. 1. Install two 1.5V No. 7 batteries in the correct direction at the bottom and change the battery cover. For the bat