This fits your .
1.All lenses can be folded and folded. If you use a single lens or any two lenses combination, you can turn the idle lens away and the lens is more flexible.
2.Lens is mounted on a sliding track to adjust the distance between the lens and the glasses. The lens is far away from the eye and lens is closer to the eye when the lens is near the eye.
3.Widening lenses, with a U type gap below the lens, can make the lens close the eye , increase the scope of the field of vision, and make it easier to observe and read close.
4.Three AA batteries can be put inside high-capacity battery compartment to greatly extend lighting time of LED light.
5.Product is designed with lens storage box to store unneeded back lens. It's easy to keep lens clean and convenient to carrry.
Operating Guide: 1.Dismantling and Installation of Lenses
A. Hold the right and left sides of back lens with fingers to pull out lens outwards.
B. Choose required lens form lens box, aim the connector right above lens at lens slot before inserting.
C. Put replaced lens into lens storage box.
2.Regulating if Headband:
A. Clockwise rotation of the right and left side of the adjustment wheel, adjusted to the right angle and reverse clockwise Tighten the adjusting wheel.
B. Pulls out the regulating wheel of the head band, revolving conter clockwise to the opening band. Adjust to the appropriate position and press the regulating wheel to lock the headband.
3.Replacement of Batteries
A. Adjust LED battery compartment to downward angle, then pull out batter compartment.
B. Push battery compartment to take out old batteries, and put three AA batteries inside according to "+" ,"-" on bottom of battery compartment, close battery compartment.
C. Aim the connector on both sides of battery compartment at the slot right above helmet to push battery compartment backwards.
Beileshi Magnifier with Light Head Magnify Visor Handsfree Mount with Detachable LED Lamp Helmet Magnifying - 5 Replaceable and Interchangeable Lenses: 1X 1.5X 2X 2.5X 3.5X 8X -Can Wear Glasses Use - B07BF7Y7K3