Used only once. ◐ Effective Cleaning with Violet Light: This ultrasonic glasses cleaner uses violet light irradiation and purple light cleaning to eliminate 99.9% of harmful substances on items. ◐ Clean Appearance: This glasses cleaner machine provides high-frequency vibration of 45000Hz/s, cleaning the surfaces and crevices of various items, removing dirt and oil that dulls their shine, enhancing beauty and freshness. ◐ Wide Range of Applications: This ultrasonic jewelry cleaner can easily clean jewelry, makeup brushes, watches, toys, and other accessories. Its gentle yet powerful cleaning power meets various needs. ◐ 360° Cleaning: This jewelry cleaner ultrasonic machine provides 360° cleaning that covers every part of the item, penetrating from all angles for spotless results. ◐ Travel-Friendly Design: This ultrasonic cleaner is small and lightweight, making it easy to carry on business trips. It won't take up much space in your bag. Requires 2 AAA batteries. Please check the condition of the box in the photos. Thank you for your understanding.