Blue Light Cut Photochromic UV400 UV Computer Color Discoloration Fashion [KANASTAL] Glasses, Round, Protection, Protection, Lightweight, Glasses,

Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Photochromic lenses automatically change color depending on the strength of UV rays. Outdoors in strong sunlight, the lenses turn a light gray color. Meanwhile, indoors or in environments with weak UV rays, the lenses become almost transparent (please note that blue light blocking lenses usually have a slight yellowish tint). They are ideal for everyday use because they can adapt to various light environments. Note: Please note that the photochromic effect will be weaker in environments with weak UV rays, such as in a company, indoors, on a cloudy day, or while driving. Blue light cut, UV400: UV400 lenses effectively cut ultraviolet rays with wavelengths of 400 nanometers or less (including UVA and UVB) and reduce glare and reflections to protect your eyes from UV rays. In addition, they also cut harmful blue light emitted from electronic devices such as computers, smartphones, and tablets to protect your eyes. Can be used in a wide range of situations, both indoors and outdoors. High-quality material: The alloy frame material is impact-resistant, scratch-resistant, and durable, and will not deform even after years of use. The elastic hinge allows the metal frame to be adjusted by 30 degrees. Fits any face shape. The soft, non-slip silicone nose pads provide a comfortable and stable fit even when worn for long periods of time. Round Design: Classic round frame design combines fashion and durability. From daily use to outdoor activities, it shows your personality and sense of style in any scene. Whether it's sunny or cloudy, or switching from indoors to outdoors, it provides clear vision and eye protection. Size: Lens width: 46mm (the width from the left edge to the right edge of the lens does not include the frame); Lens height: 46mm (the height from the top to the bottom of the lens does not include the frame); Overall width: 130mm (measured from left to right at the widest part of the glasses frame); Bridge width: 18mm; Arm length: 142mm; Weight: about 19g; Note: Due to artificial measurement, there may be 2-3mm error.