1x Heating Jacket（Power Bank not included）.
Go down and check coupons out. Remember to check price history if it is available. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it?
Link: Banggood product page
Price: $-3
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 and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BG8f2616, BGGutscheine, BG00c906, BG8ae0e5, BG1cdd86, BG680997, BG8c9350, Sports23q1, BG589b2e, BGSPW011, BG216bab, BGc07f88, BGPMA60, BGSCHOOL8OFF, BGCAPITALOS8, BGWINTER1, BG8FORMULAMX
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for PMA Smart Heating Jacket is here. The lowest price was: $32.99.
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)).