$39.99 – Xiaomi Mijia Portable Electric Heating Cup 2 350mL (Banggood, Aliexpress: Rated Frequency 50Hz, Product Name Mijia Portable Electric Cup 2, Rated Capacity 350mL, Product Size 77*77*211.5mm, Product Model MJDRBO2PL, Rated Voltage 220V~ (the best price with coupon)).
Latest update shows that Xiaomi Mijia Portable Electric Heating Cup 2 350mL costs $39.99 (in Banggood). Just check coupons out (with price alert and history). Best price?
Latest coupon and price update (UTC):
Banggood ($39.99)
Banggood warehouse is located in China. Coupons for Xiaomi Mijia Portable Electric Heating Cup 2 350mL? Nope, there’re no coupons in Banggood. But wait a sec… Is it a good price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $39.80)
Link: Banggood product page
Price: $39.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGa6a925
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Mijia Portable Electric Heating Cup 2 350mL. The lowest price was: $39.41.
Price records source(s): 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)).