Basically copy coupon, view price history or create e-mail price alert. What is the best price?
Woman——L/XL/2XL, Brand: BAESAN, Color: Black, Power Supply Interface: USB, Power Supply: 5V/2A Portable Source (Not Included), Fever Area: Back + Abdomen, Filling: Down Cotton, Size: Man——M/L/XL/2XL, Material: Polyester Fiber
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. Coupons for Man Woman Electronic USB Heated Jacket? Nope, there’re no coupons in Banggood.
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/5cd
Old coupons (from the oldest to the newest): AMPrime01, Automo, BGMOTOWC2, BGslimshady, BgAuMotor, BGAutos, BGHeated30, bGhOnEy10, BGCARELEC, BGINMO, BGAFF10OFF, BGCuponation10, 13f142, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, BGMOTO478
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Man Woman Electronic USB Heated Jacket? There we go.
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)).