Aliexpress
Click here… to search for Xiaomi Airdots TWS Earphones Youth Edition on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Hong Kong.
Link: Banggood product page
Coupon (13.99 USD): BGc8d883
Coupon (27.23 USD): BGAudio3
(CouponsFromChina.com tip: apply code in your basket (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): 3591bd, 183038, Alibuy374, Miui374, 4829f1, 3a734c, 4a7fec, 9033sb, Alibuy033, 45smartbuy, 45dlz, 9f4a48, 30fc63, Alibuy9181, IneeditAD, 45poland, CSBGAIR, techoob, 53XMBT, Alibuy92111, 50se1, HK0003, Mumlatzim38, 57244c, 50XMBT, dlzxiaomi01, 0013gr, XMAirdots, plairdots, TTxBG10, ca5798, BGRU825, BGXMAD, BG45XMT, PAYPAL10%, BGXMAD99, 2019SPEDM, BG3CSUM, BGDOT709, BGADZM, BGXMAD3C, AFfbG10, BGAirdots28, BGHK01, BGHKIN01, BGXMDE, BGXMYV99, 502C6B, BGHKXM1, BGBFAFF2019, BGCITYADS2019, BGTWS20, BGAIRDOTS77, BGVDay10%off, BGHKHK, BGAIRDY1, BGXM107, BGAFF10OFF, bGhOnEy10, BGSS10%SW, BGXM722D, bgshOOp10, BGELIG0920, BG11SHOP, BG4BW25, BGLOAC1, 13f142, BGa0b145, 6GSGIT, BGBRPL2, BGHOTSHOP15, BG53e9c8, BGAlerabatKL, BGd173b4, BGAudioVideo, BGAUDIO, BG9ba0e8, BG1b5830
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Airdots TWS Earphones Youth Edition? There we go.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).