Description: Contact lens cleaner: Using high-frequency and fast vibration technology, it can effectively wipe off the tear protein and small particles on the lens in a short time, and thoroughly clean the lens without hurting the lens. Anti-vibration washers on the bottom reduce noise. What it does: Helps maintain the comfort and durability of contact lenses, keeping your eyes comfortable and free of foreign body sensation. USB charging method: Can be charged via USB cable. You can connect various computers, mobile phones and power banks. It can be used for one month after charging for 2 hours. Material: Made of plastic to prevent rusting and scratching your lenses. Works with any type of contact lens. (without liquid) Portable: Small in size and beautiful in appearance, it is very suitable for home, travel, work, business and other occasions. Can be carried anywhere in backpacks, pockets, handbags and cosmetic bags. Specification: Model: HL-988 Charger specification: 5V Power : 0.24w Built-in battery: 300mA Cleaning time : 3min Single tank capacity: 7ml Net weight : 78g Size: 41x41x87mm/1.61x1.61x3.43inch Package Includes: 1x Cleaning Machine 1x Tweezers 1x Wear Stick 1x Charging Cable 1x Manual 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!