Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
Coupon (100.61 USD): BGBuscape01
(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): 502C6B, e2bcea, TTxBG10, 20HUAWEI, 2019SPEDM, BG3CSUM, bgssaff9, AFfbG10, BGBFAFF2019, BGCITYADS2019, EARSP11, BGAFF10OFF, bGhOnEy10, bgshOOp10, Email5, BGELIG0920, BG11SHOP, BG11PP7, 7d18f7, BG4BW25, BGLOAC1, 13f142, BGa0b145
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for HUAWEI Honor AM-H1C FlyPods Earphones.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).