1. Multi-layer broadband coating on the whole surface, good definition
2. According to F1.8 aperture design, stronger compatibility
3. The light is on for more than 1 hour
4. Can hold (fit) all mobile phones
5. Equivalent focal length: 45mm
6. Exit pupil diameter: 2.3mm
7. Optical distortion: less than 4.5%
8. Standard definition of focusing distance: 10-11.4mm
9. Focusing distance product shape definition: 3.6-5mm
10. Number of lenses: 4 elements in 4 groups
11. Magnification: about 100x
12. Lens aperture: F1.8
13. Lens coating: Multilayer
14. Lens material: aluminum
15. Product material: PC
16. Clamping distance: about 40mm from the edge of the phone
17. Battery capacity: 30mAh
18. Charging port: Micro usb
19. LED brightness: 6 LED light guides, one level of brightness
20. Light on time: about 100 minutes, flashes when the battery runs out
21. Color temperature of lamp beads: 6000~6500K
22. Switch control: Hall induction (magnetic control)
23. Charging instructions: red light is on when charging, green light is on when fully charged
24. Charging time: about 90 minutes