Unused, but the product has been opened. Professional Design: With an oval line, effectively expands the capacity of the internal tank of the glasses cleaning machine. Constantly washes away dust, bacteria, oil, and dirt from the surface of objects. Multi-purpose: The cleaner can clean various items such as glasses, jewelry, makeup brushes, watch bands, toys, tableware, shavers, pens, toothbrushes, nail clippers, and combs. Easy to Use: Ultrasonic cleaning machine, easy to operate, one key to start the work, enhance the cleaning effect, you can soak the items for a few minutes before cleaning and add a small amount of detergent. 360-degree Deep Cleaning: This cleaner generates high-frequency vibrations, easily and quickly removing dirt from items, removing dirt by emulsification without damaging the items. Ultrasonic: High-frequency vibrations separate air from water in the liquid, forming bubbles of 50-500 microns. The bubbles expand and break under sound pressure, achieving instantaneous impact. ‎21.7 x 10.9 x 8.1 cm; 270 g 10-1