Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. CouponsFromChina software could not find any coupon for this product in Banggood.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGVIOMIMY2, bgssaff9, AFfbG10, aff7off, BGBFAFF2019, BGCITYADS2019, BGHOMEG12, BGMPB2020, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGHome15%, BGHOMEA15%, BgcLuBofErtA10, BGMY2WDE, BGHOMEA13, BGMY2VIM, 7bcdf9, BGCuponation10, BG10OFFAFF, BGwhielabel, BGBCNVMIS, BGACNVMCIS, BG10OFFAFF1, BGIS008, 6GSGIT
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi VIOMI MY-2 Heating Water Kettle 2050W/2L.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).