Features: 100% brand new and high quality suitable for contact lenses. Cleans well. Ultrasonic vibration therapy can be used to clean surfaces and crevices, remove stains, and make contact lenses look like new. Made of high quality materials, it is more durable, corrosion resistant and heat resistant. Humanized design, easy to use. With an ultrasonic cleaner, all you have to do is clean your contact lenses. What's included: 1 piece of contact lens cleaner Specifications: Material : Weight: 135g Dimensions: 87 x 89 mm/3.43 x 3.5 inch Rated power: 2 W Nominal voltage: 5V Battery Capacity: 250 mAh Operating time Charging time: 1 hour Note: 1. Please allow 1-2cm error due to manual measurement, please make sure you do not mind before ordering. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.