Go down and check coupons out. Remember to check price history if it is available. You probably want to know what is the best price?
Insulation Performance Over 7h (Higher Than 62 Deg.C); Over 6h (Lower Than 10 Deg.C), Service Time More Than 3 Years, Waterproof Grade IP67, Diameter Of The Cup Rim 48 mm, Display Time Above 50000 Times, Display OLED, Capacity 525 ML, Weight 320g (Not Included Other Accessories)
Aliexpress
There’re some similar (or not) items on Aliexpress
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. One coupon is available. Cool!
Link: Banggood product page
1. ($36.13): BGAFF10OFF
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): 2799CC, CCMINI, 502C6B, vipupgrade8, d8f2bb, TTxBG10, 2019SPEDM, aff7off, BGss8%hl, bgssaff9, BGKKF29, AFfbG10, affbg10, BG29KKC, BGBFAFF2019, BGCITYADS2019, BGHOMEG12, BGMPB2020, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BGHome15%, BGHOMEA15%, BgcLuBofErtA10
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi KKF CC Smart 525ml Bottle Black ($-3)
2. China – Xiaomi KKF CC Smart 525ml Bottle Pink ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi KKF CC Smart 525ml Bottle Grey.
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)).