Xiaomi Mijia Anti-Blue Glasses (Banggood, Aliexpress: Lens color Light yellow, Material PC lens / silica gel nose pad / TPE lens leg / PEI frame, Wearing experience Light / Comfortable, Name Xiaomi TS Anti-blue glases FU006, Visual perception Strong texture / Exquisite, Frame size 54-17-138mm, Frame color Red, Function Blue Light blocking of 35% / Anti fatigue (the best price with coupon)).
Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($24.53): BG4ee866
2. ($27.13): BG00c906
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BG57637, BGUN5737, BGHONEY2110, BG10OFFAFF, BGMAY056, BGESMAY01, BGH57637, BGesjune19, BGjune100, BGwhielabel, 13f142, BG10OFFAFF1, BANGGOODSD, BGHealth06, 00c906, BGHealth10D, 2022ACTIESNL, BGHB218, BGGRFE216, BGXPMA096, BGHECARE1, BG52f9b9
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Mijia Anti-Blue Glasses. The lowest price was: $9.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).