【High Quality Material】The contact lens cleaner is made of high quality ABS material, so you don't have to worry about oxidation and rust. 360° all-round cleaning, strong power, restores the clean and bright essence of contact lenses. USB + battery charging: the contact lens cleaner comes with a charger and a rechargeable battery. This ultrasonic contact lens cleaner is powered by a battery and can be charged via a USB cable to various computers, mobile phones and power banks. Vacuum jet type, ultrasonic cleaning: 56000 Hz high frequency vibration separates the air and water in the liquid to form 50-500 UM micron large bubbles that expand and and burst under the impact of ultrasonic waves and continuously wash the contact lens to effectively clean and dirty, there is no way to run. It is recommended to wash contact lenses three times a week for 2 minutes. Ion exchange, lens penetration compensate: micro-current stimulation with special frequency, by ion exchange to change osmotic pressure inside and outside the lens, so that the care solution is "pressed" into the lens to replenish the moisture of the lens and completely restore the moisture of the lens. Compact and portable: the size of the contact lens cleaner is 85 x 65 x 60 mm, it is small and exquisite, easy to carry, you can carry it in your backpack, bag, handbag and cosmetic bag. Perfect for travel or outdoor activities.