Ultraviolet Sterilization Intelligent Disinfection USB Charging Stainless Steel Vacuum Flask

1. Material: stainless steel
2. Insulation performance: 6-12 hours
3. Battery: 250 mAh
4. One key operation, long press for one second to start
5. 3 minutes sterilization, USB charging
6. Size: 7.5x7.5x28cm
7. Capacity: 650ml
8. Unit weight: 0.5kg