1. One-key operation, easy to use 2. Small size, easy to carry 3. Ultraviolet and deep ultraviolet disinfection, prevent germs and refuse to get sick 4. Rated voltage: 5V 5. Rated power: about 1W 6. Battery capacity: 3.7V1000mAh 7. Stalls: Sterilize for 1 minute in the first gear, and 3 minutes in the second gear 8. Ultraviolet wavelength: 260-380nM 9. Product size: 260x53x35mm 10. Product weight: about 166g