Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Xiaomi Mijia TS Anti Blue Light Glasses | 13.54 USD | – |
 |
Xiaomi Mijia Anti-Blue Mi Computer Glasses Pro | 14.08 USD | – |
 |
Xiaomi Mijia Anti-Blue Mi Computer Glasses Pro | 15.94 USD | – |
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (24.53 USD): BG4ee866
Coupon (27.13 USD): BG00c906
(CouponsFromChina.com tip: apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
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
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for Xiaomi Mijia Anti-Blue Glasses is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).