Made of stainless steel / PP / PC, Intelligent sense of the water temperature with sensitive temperature sensor, Energy-saving OLED display screen, easy to know the water temperature, Power source: 1x CR2032 button battery (not included), Refined vacuum technology.
Just check coupons out (with price alert and history). What is best price?
Aliexpress
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Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
1. ($53.71): BANGGOODSD
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGRU091, vipupgrade8, TTxBG10, BGKKF19, ML15%Pro, BGAB28, BGfff2, BGHC20, BGWB2599, 502C6B, BGXK26, AFfbG10, BGVDay10%off, BGHOMEG12, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGHome15%, BGHOMEA15%, BGOCTD091, BgcLuBofErtA10, BGDETD091, BGJATD091, BGCuponation10, 13f142, BGHONEY2110, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, 00c906, BG00c906
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi 430ml OLED Insulated Water Bottle [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi 430ml OLED Insulated Water Bottle Black? There we go. The lowest price was: $23.99.
Price records source(s): Gearbest, 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)).