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
1. 超声波焊接技术,不含任何胶水 2. Q弹硅胶耳朵,耐高温,无异味 3. 高清PMMA镜片,防爆防碎,透光度好 4. 防滑手柄,轻松抓握 5. 材质:食品级硅胶+ABS塑料+PMMA镜片 6. 倍数:3倍,镜片中心厚度14.5毫米 7. 屈光度:800度 8. 镜片尺寸:75毫米 9. 焦距:3-7.5厘米 10. 瞳距:3-20厘米 11. 重量:约70克 12. 长度:约22厘米
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