Check coupons or create price alert down below. Do you want to know what the best price is?
Model PRO-F4, Battery Using Time 30h (2x AAA Battery) Not Include, Display LED, Color Black, Recommended Finger Size Adult, Size 57x 31x 31mm, Material ABS, Weight 54g (With Batteries), Recommand Age >12 Years Old
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. Too bad there’s no coupon right now 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): BGf48925, BGDCCJP, BGqhF4, BGQHE87, BGHOMEA15%, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BGis546, BGSPHOME74, BGKIDs20off, BANGGOODSD, 6GSGIT, BGBF20off1, 00c906, BG00c906, BGHealth10D, 2022ACTIESNL, BGHB218, BG7ff0ba, BGMCL24, BG4a31d1, 2203ActiesNL, BGed97ff, BGHECARE1, BG4ee866, Cuponation9, BG844bf7, BG75597c, BG2524b9, BGgh0414i
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Price history (for all/most countries) for PRCMISEMED PRO-F4 Oximeter is here.
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)).