Description
1. Ultrasonic welding technology, without any glue
2. Q elastic silicone ear, high temperature resistance, no peculiar smell
3. High-definition PMMA lens, explosion-proof and shatter-proof, good light transmittance
4. Non-slip handle for easy grip
5. Material: food grade silicone + ABS plastic + PMMA lens
6. Multiples: 3 times, the thickness of the center of the lens is 14.5 mm
7. Diopter: 800 degrees
8. Lens size: 75mm
9. Focal length: 3-7.5cm
10. Interpupillary distance: 3-20 cm
11. Weight: about 70 grams
12. Length: about 22 cm
