Mcomb IPX7 Waterproof USB Charging Smart Sterilization Cup(Green) variety of gemstones Material: Premium sterling silver 925

Material: Premium sterling silver 925 with gold-plated finish for added sophistication

Built-in 600Mah lithium battery

and sensitive skin

and the filling is 18kt yellow gold

Mcomb IPX7 Waterproof USB Charging Smart Sterilization Cup(Green) variety of gemstones Material: Premium sterling silver 9251. Weight: 0. 135 kg 2. Material: Food grade ABS 3. Power supply mode: USB charging 4. Features: One key sterilization, 99. 5% sterilization rate, compact and portable design, IPX7 waterproof, USBType c charging, smart timing, food grade ABS, smart chip control 5. Use time: about 100 times of charging and disinfection 6. Charging time: about 3 hours 7. Sterilization time: 4 minutes automatic shutdown 8. Packing list: disinfection cup, charging cable