20W + 20W stereo amplifier
Feature:
1.Material:The parts the wearer touches are not made of materials that can cause skin irritation
2.Structure:Smooth surface, no burr, no acute Angle and other defects that may cause eye and face discomfort.
It has good air permeability.
Adjustable parts and structural parts are easy to adjust and replace.
3.Package:The products are properly packaged and are accompanied by product certificates and instructions
4.fixing band : The minimum width of the headband in contact with the wearer is 11.5mm. The headband is adjustable, soft and durable
5.The appearance quality of the lens: the surface of the lens is smooth and free from scratches, ripples, bubbles, impurities, and other obvious defects that may impair vision
6.Diopter: 0.04D
7.The difference between the prism degrees of the left and right eye lenses: 0.12
8.Visible light transmission ratio: colorless transparent lens 89.35
9.Impact resistance: qualified
10.Protection performance of chemical fog drops: there is no color spot on the test paper within the center of the lens
11.Irritant gas protection performance: there is no color spot on the test paper within the center of the lens
Surgery Goggles,Eye Safety Goggles,Best Safety Goggles,Eye Goggles Protection
Guangzhou HangDeng Tech Co. Ltd , https://www.hangdengtech.com