PORTABLE MINI - Use a can of 5 ounces (150 ml) to clean the water tank. Both small and large jewelry can be completely soaked and cleaned with tap water. SAVE TIME - By 1 section 5AA battery (excluding), easy to use; you can clean things at any time and anywhere, saving money, time and energy. EASY TO USE - One-button switch.Superhuman design, just press the button to open, and then press to close. The bottom adopts high-quality anti-skid sucker, which improves the stability of the machine and effectively prevents sliding. UNIVERSAL - Ultrasound cleaner can be used as jewelry cleaner, glass cleaner, denture cleaner, glasses cleaner, watch cleaner, coin cleaner, laboratory instrument cleaner, etc. Only use tap water to clean in a few minutes. Perfect for glasses shop, jewelryshop, watch shop, repair shop, hospital, dental clinic, denture cleaner, laboratory electronic workshop, office and family use One-button switch: Superhuman design, just press the button to open, and then press to close. The bottom adopts high-quality anti-skid sucker, which improves the stability of the machine and effectively prevents sliding. Use a can of 5 ounces (150 ml) to clean the water tank. Both small and large jewelry can be completely soaked and cleaned with tap water. By 1 section 5AA battery (excluding), easy to use; you can clean things at any time and anywhere, saving money, time and energy. Ultrasound cleaner can be used as jewelry cleaner, glass cleaner, denture cleaner, glasses cleaner, watch cleaner, coin cleaner, laboratory instrument cleaner, etc. Only use tap water to clean in a few minutes. Perfect for glasses shop, jewelry shop,watch shop, repair shop, hospital, dental clinic, denture cleaner, laboratory electronic workshop, office and family use