Professional Ultrasonic Jewelry Cleaner: The ultrasonic cleaning machine only requires tap water to clean dirty jewelry within minutes, without removing tarnish (adding ultrasonic cleaning agent solution can achieve better cleaning results) | Multifunctional Jewelry Cleaner: The ultrasonic cleaning machine uses 48,000Hz high-frequency sound waves to clean items. Can be used to clean Eyeglasses, jewelry, dentures, watch coins, etc., without damaging delicate items | Convenient to Use: The ultrasonic cleaner has two cleaning modes. Simply touch the power button, it will automatically clean items for 5 minutes, for watch strap or dirty object, it is suggested to use the mode of 7 minutes. The bottom is equipped with four non-slip rubber pads, making it easy to stabilize the ultrasonic cleaner, effectively reducing noise, for a more reassuring use | Capacity and Portability: The capacity of sonic cleaner is 12oz, suitable for most kinds of eyeglasses and jewelry. The SUS 304 stainless steel tank has excellent corrosion resistance | Package Contents: 1*ultrasonic jewelry cleaning machine, 1*watch stand, and 1*user manual. If you have any questions about this eyeglass cleaner, we offer a 12-month warranty and 100% satisfaction guarantee for this silver cleaner