【Automatic Adjustment Function for 100-700 Degrees】Blue Light Blocking Reading Glasses with Adjustable Strength Product Description: For more details, please copy and paste the URL below. I am selling this because I purchased an extra pair. I bought it for 4880 yen. Please refer to tibettibet.com for the specifications. I have copied the information from the time of purchase. You can view the purchase site by copying and pasting the URL below. https://tibettibet.com/detail/uyBDagfieIfpmKyv Diet & Health Health Products Eyeglasses & Reading Glasses PC Glasses & Blue Light Blocking Glasses Condition: New, Unused